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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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#include |
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#include |
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#include |
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static char cvs_id[] = "$Id: MQ.xs,v 1.8 2003/01/27 10:43:11 ilja Exp $"; |
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0
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static int not_here(char *s) |
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{ |
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0
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croak("POSIX::RT::MQ::%s not implemented on this architecture", s); |
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return -1; |
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} |
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MODULE = POSIX::RT::MQ PACKAGE = POSIX::RT::MQ |
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PROTOTYPES: ENABLE |
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int |
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MQ_OPEN_MAX() |
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PREINIT: |
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1
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int val=-1; |
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CODE: |
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1
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errno = 0; |
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#ifdef _SC_MQ_OPEN_MAX |
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1
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val = sysconf(_SC_MQ_OPEN_MAX); |
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#endif |
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/* if errno is still 0 the limit is indeterminate */ |
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1
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if (errno && val==-1) not_here("MQ_OPEN_MAX"); |
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0
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1
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RETVAL=val; |
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OUTPUT: |
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RETVAL |
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35
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int |
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MQ_PRIO_MAX() |
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PREINIT: |
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1
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int val=-1; |
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CODE: |
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1
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errno = 0; |
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#ifdef _SC_MQ_PRIO_MAX |
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1
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val = sysconf(_SC_MQ_PRIO_MAX); |
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#endif |
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/* if errno is still 0 the limit is indeterminate */ |
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1
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if (errno && val==-1) not_here("MQ_PRIO_MAX"); |
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0
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46
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1
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RETVAL=val; |
47
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OUTPUT: |
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RETVAL |
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50
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51
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52
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mqd_t |
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mq_open(name,oflag,mode,attr=NULL) |
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char* name |
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int oflag |
56
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Mode_t mode |
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SV* attr |
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PREINIT: |
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mqd_t mqdes; |
60
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30
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struct mq_attr* mqa_ptr = NULL; |
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STRLEN mqa_len; |
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CODE: |
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30
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100
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if (attr != NULL) |
64
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19
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50
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mqa_ptr = (struct mq_attr*) SvPV(attr, mqa_len); |
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/* check mqa_len ? */ |
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30
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mqdes = mq_open(name, oflag, mode, mqa_ptr); |
67
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30
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100
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if (mqdes == (mqd_t)-1) { XSRETURN_UNDEF; } |
68
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28
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RETVAL = mqdes; |
69
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OUTPUT: |
70
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RETVAL |
71
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72
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int |
73
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mq_close(mqdes) |
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mqd_t mqdes |
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CODE: |
76
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28
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50
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if (mq_close(mqdes) == -1) { XSRETURN_UNDEF; } |
77
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28
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RETVAL = 1; |
78
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OUTPUT: |
79
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RETVAL |
80
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81
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int |
82
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mq_unlink(name) |
83
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char* name |
84
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CODE: |
85
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27
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100
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if (mq_unlink(name) == -1) { XSRETURN_UNDEF; } |
86
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22
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RETVAL = 1; |
87
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OUTPUT: |
88
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RETVAL |
89
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90
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SV* |
91
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mq_attr(mqdes, new_attr=NULL) |
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mqd_t mqdes |
93
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SV* new_attr; |
94
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PREINIT: |
95
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struct mq_attr old_mqa; |
96
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struct mq_attr* new_mqa_ptr; |
97
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STRLEN new_mqa_len; |
98
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CODE: |
99
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43
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100
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if (new_attr == NULL) |
100
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{ |
101
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39
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50
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if (mq_getattr(mqdes, &old_mqa) == -1) { XSRETURN_UNDEF; } |
102
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} |
103
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else |
104
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{ |
105
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4
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50
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new_mqa_ptr = (struct mq_attr*) SvPV(new_attr, new_mqa_len); |
106
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/* check new_mqa_len ? */ |
107
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4
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50
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if (mq_setattr(mqdes, new_mqa_ptr, &old_mqa) == -1) { XSRETURN_UNDEF; } |
108
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} |
109
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43
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RETVAL = newSVpvn((char*)&old_mqa, sizeof(old_mqa)); |
110
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OUTPUT: |
111
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RETVAL |
112
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113
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int |
114
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mq_send(mqdes, msg, msg_prio) |
115
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mqd_t mqdes |
116
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SV* msg |
117
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unsigned int msg_prio |
118
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PREINIT: |
119
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char* msg_ptr; |
120
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STRLEN msg_len; |
121
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CODE: |
122
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88
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50
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msg_ptr = SvPV(msg, msg_len); |
123
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88
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100
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if (mq_send(mqdes, msg_ptr, msg_len, msg_prio) == -1) { XSRETURN_UNDEF; } |
124
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86
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RETVAL = 1; |
125
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OUTPUT: |
126
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RETVAL |
127
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128
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void |
129
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mq_receive(mqdes, msg_max_len) |
130
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mqd_t mqdes |
131
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size_t msg_max_len |
132
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PREINIT: |
133
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char* msg_ptr; |
134
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ssize_t msg_len; |
135
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unsigned int msg_prio; |
136
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PPCODE: |
137
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67
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50
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if ((msg_ptr = malloc(msg_max_len)) == NULL) { XSRETURN_EMPTY; } |
138
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67
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msg_len = mq_receive(mqdes, msg_ptr, msg_max_len, &msg_prio); |
139
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67
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100
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if (msg_len == -1) |
140
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{ |
141
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2
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free(msg_ptr); |
142
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2
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XSRETURN_EMPTY; |
143
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} |
144
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65
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50
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XPUSHs(sv_2mortal(newSVpvn(msg_ptr, msg_len))); |
145
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65
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50
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XPUSHs(sv_2mortal(newSVuv(msg_prio))); |
146
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65
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free(msg_ptr); |
147
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148
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void |
149
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mq_timedreceive(mqdes, msg_max_len, seconds) |
150
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mqd_t mqdes |
151
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size_t msg_max_len |
152
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unsigned int seconds |
153
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154
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PREINIT: |
155
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char* msg_ptr; |
156
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ssize_t msg_len; |
157
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unsigned int msg_prio; |
158
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PPCODE: |
159
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struct timespec abs_timeout; |
160
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2
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clock_gettime(CLOCK_REALTIME, &abs_timeout); |
161
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2
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abs_timeout.tv_sec += seconds; |
162
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2
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50
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if ((msg_ptr = malloc(msg_max_len)) == NULL) { XSRETURN_EMPTY; } |
163
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2
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msg_len = mq_timedreceive(mqdes, msg_ptr, msg_max_len, &msg_prio, |
164
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&abs_timeout); |
165
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2
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100
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if (msg_len == -1) |
166
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{ |
167
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1
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free(msg_ptr); |
168
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1
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XSRETURN_EMPTY; |
169
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} |
170
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1
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50
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XPUSHs(sv_2mortal(newSVpvn(msg_ptr, msg_len))); |
171
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1
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50
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XPUSHs(sv_2mortal(newSVuv(msg_prio))); |
172
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1
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free(msg_ptr); |
173
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174
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int |
175
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mq_notify(mqdes, ...) |
176
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mqd_t mqdes |
177
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PREINIT: |
178
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struct sigevent sigev; |
179
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5
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struct sigevent* sigevp = NULL; |
180
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CODE: |
181
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5
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100
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if (items > 1) |
182
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{ |
183
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2
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sigev.sigev_notify = SIGEV_SIGNAL; |
184
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2
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50
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sigev.sigev_signo = SvIV(ST(1)); |
185
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2
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sigev.sigev_value.sival_int = 0; |
186
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2
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sigevp = &sigev; |
187
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} |
188
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5
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50
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if (mq_notify(mqdes, sigevp) == -1) { XSRETURN_UNDEF; } |
189
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5
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RETVAL = 1; |
190
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OUTPUT: |
191
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RETVAL |
192
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193
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194
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SV* |
195
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mq_attr_pack(mq_flags, mq_maxmsg, mq_msgsize, mq_curmsgs) |
196
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long mq_flags |
197
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long mq_maxmsg |
198
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long mq_msgsize |
199
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long mq_curmsgs |
200
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PREINIT: |
201
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struct mq_attr mqa; |
202
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CODE: |
203
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23
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mqa.mq_flags = mq_flags; |
204
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23
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mqa.mq_maxmsg = mq_maxmsg; |
205
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23
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mqa.mq_msgsize = mq_msgsize; |
206
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23
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mqa.mq_curmsgs = mq_curmsgs; |
207
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23
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RETVAL = newSVpvn((char*)&mqa, sizeof(mqa)); |
208
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OUTPUT: |
209
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RETVAL |
210
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|
|
|
|
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|
|
211
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void |
212
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|
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mq_attr_unpack(mqa) |
213
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SV* mqa |
214
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PREINIT: |
215
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|
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struct mq_attr* mqa_ptr; |
216
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|
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STRLEN mqa_len; |
217
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|
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PPCODE: |
218
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43
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50
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mqa_ptr = (struct mq_attr*) SvPV(mqa, mqa_len); |
219
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|
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/* check mqa_len ? */ |
220
|
43
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50
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XPUSHs(sv_2mortal(newSViv(mqa_ptr->mq_flags))); |
221
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43
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50
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XPUSHs(sv_2mortal(newSViv(mqa_ptr->mq_maxmsg))); |
222
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43
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50
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XPUSHs(sv_2mortal(newSViv(mqa_ptr->mq_msgsize))); |
223
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43
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50
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XPUSHs(sv_2mortal(newSViv(mqa_ptr->mq_curmsgs))); |