thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 1 | #include <config.h> |
njn | ed321c1 | 2005-08-17 02:44:43 +0000 | [diff] [blame] | 2 | #include <errno.h> |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 3 | #include <stdio.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
sewardj | 4bdd505 | 2006-10-17 01:28:48 +0000 | [diff] [blame] | 6 | #include <fcntl.h> |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 7 | |
| 8 | #ifdef HAVE_MQUEUE_H |
| 9 | |
| 10 | #include <mqueue.h> |
| 11 | |
| 12 | #define MSGMAX 10 |
| 13 | #define MSGSIZEMAX 1024 |
| 14 | |
| 15 | int main(int argc, char **argv) |
| 16 | { |
| 17 | struct mq_attr mqa; |
| 18 | mqd_t mqdw; |
| 19 | mqd_t mqdr; |
| 20 | char buffer[MSGSIZEMAX]; |
| 21 | unsigned int priority; |
| 22 | int len; |
| 23 | |
| 24 | mqa.mq_maxmsg = MSGMAX; |
| 25 | mqa.mq_msgsize = MSGSIZEMAX; |
| 26 | |
| 27 | if ((mqdw = mq_open("/valgrind-mqueue", O_CREAT|O_EXCL|O_WRONLY, 0600, &mqa)) < 0) |
| 28 | { |
njn | 4fe4943 | 2005-08-16 02:30:24 +0000 | [diff] [blame] | 29 | if (errno == ENOSYS) |
| 30 | exit(0); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 31 | perror("mq_open"); |
| 32 | exit(1); |
| 33 | } |
| 34 | |
| 35 | if ((mqdr = mq_open("/valgrind-mqueue", O_RDONLY)) < 0) |
| 36 | { |
| 37 | perror("mq_open"); |
| 38 | mq_unlink("/valgrind-mqueue"); |
| 39 | mq_close(mqdw); |
| 40 | exit(1); |
| 41 | } |
| 42 | |
| 43 | if (mq_unlink("/valgrind-mqueue") < 0) |
| 44 | { |
| 45 | perror("mq_unlink"); |
| 46 | mq_close(mqdw); |
| 47 | mq_close(mqdr); |
| 48 | exit(1); |
| 49 | } |
| 50 | |
| 51 | if (mq_send(mqdw, "PING", 4, 0) < 0) |
| 52 | { |
| 53 | perror("mq_send"); |
| 54 | mq_close(mqdr); |
| 55 | mq_close(mqdw); |
| 56 | exit(1); |
| 57 | } |
| 58 | |
| 59 | if ((len = mq_receive(mqdr, buffer, sizeof(buffer), &priority)) < 0) |
| 60 | { |
| 61 | perror("mq_receive"); |
| 62 | mq_close(mqdr); |
| 63 | mq_close(mqdw); |
| 64 | exit(1); |
| 65 | } |
| 66 | |
| 67 | if (len != 4 || memcmp(buffer, "PING", 4) != 0) |
| 68 | { |
| 69 | fprintf(stderr, "Message corrupt!"); |
| 70 | } |
| 71 | |
| 72 | if (mq_notify(mqdr, NULL) < 0) |
| 73 | { |
| 74 | perror("mq_notify"); |
| 75 | mq_close(mqdr); |
| 76 | mq_close(mqdw); |
| 77 | exit(1); |
| 78 | } |
| 79 | |
| 80 | if (mq_getattr(mqdr, &mqa) < 0) |
| 81 | { |
| 82 | perror("mq_getattr"); |
| 83 | mq_close(mqdr); |
| 84 | mq_close(mqdw); |
| 85 | exit(1); |
| 86 | } |
| 87 | |
| 88 | if (mq_setattr(mqdw, &mqa, &mqa) < 0) |
| 89 | { |
bart | 859b3fa | 2012-03-02 09:57:14 +0000 | [diff] [blame] | 90 | perror("mq_setattr"); |
thughes | 8579b10 | 2004-08-14 18:52:27 +0000 | [diff] [blame] | 91 | mq_close(mqdr); |
| 92 | mq_close(mqdw); |
| 93 | exit(1); |
| 94 | } |
| 95 | |
| 96 | if (mq_close(mqdr) < 0) |
| 97 | { |
| 98 | perror("mq_close"); |
| 99 | mq_close(mqdw); |
| 100 | exit(1); |
| 101 | } |
| 102 | |
| 103 | if (mq_close(mqdw) < 0) |
| 104 | { |
| 105 | perror("mq_close"); |
| 106 | exit(1); |
| 107 | } |
| 108 | |
| 109 | exit(0); |
| 110 | } |
| 111 | |
| 112 | #else |
| 113 | |
| 114 | int main(int argc, char **argv) |
| 115 | { |
| 116 | exit(0); |
| 117 | } |
| 118 | |
| 119 | #endif |