diff options
Diffstat (limited to 'src/backend/port/qnx4/tstshm.c')
| -rw-r--r-- | src/backend/port/qnx4/tstshm.c | 120 |
1 files changed, 69 insertions, 51 deletions
diff --git a/src/backend/port/qnx4/tstshm.c b/src/backend/port/qnx4/tstshm.c index e7421f5f87b..d6e577f2924 100644 --- a/src/backend/port/qnx4/tstshm.c +++ b/src/backend/port/qnx4/tstshm.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.1 1999/12/16 16:52:52 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.2 2000/04/12 17:15:30 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -18,63 +18,81 @@ #include <sys/shm.h> -int main( int argc, char **argv ) +int +main(int argc, char **argv) { - int c, errflg = 0; - char s[80]; - key_t key = 0x1000; - size_t size = 256; - int shmid = -1; - caddr_t addr = NULL; + int c, + errflg = 0; + char s[80]; + key_t key = 0x1000; + size_t size = 256; + int shmid = -1; + caddr_t addr = NULL; - optarg = NULL; - while( !errflg && ( c = getopt( argc, argv, "k:s:" ) ) != -1 ) { - switch( c ) { - case 'k': key = atoi( optarg ); break; - case 's': size = atoi( optarg ); break; - default: errflg++; - } - } - if( errflg ) { - printf( "usage: tstshm [-k key] [-s size]\n" ); - exit( 1 ); - } + optarg = NULL; + while (!errflg && (c = getopt(argc, argv, "k:s:")) != -1) + { + switch (c) + { + case 'k': + key = atoi(optarg); + break; + case 's': + size = atoi(optarg); + break; + default: + errflg++; + } + } + if (errflg) + { + printf("usage: tstshm [-k key] [-s size]\n"); + exit(1); + } - do { - printf( "shm(g)et, shm(a)t, shm(d)t, shm(c)tl, (w)rite, (r)ead, e(x)it: " ); - scanf( "%s", s ); - switch( s[0] ) { - case 'g': - shmid = shmget( key, size, IPC_CREAT | SHM_R | SHM_W ); - if( shmid == -1 ) perror( "shmget" ); - break; + do + { + printf("shm(g)et, shm(a)t, shm(d)t, shm(c)tl, (w)rite, (r)ead, e(x)it: "); + scanf("%s", s); + switch (s[0]) + { + case 'g': + shmid = shmget(key, size, IPC_CREAT | SHM_R | SHM_W); + if (shmid == -1) + perror("shmget"); + break; - case 'a': - addr = shmat( shmid, NULL, 0 ); - if( addr == ( void * )-1 ) perror( "shmat" ); - break; + case 'a': + addr = shmat(shmid, NULL, 0); + if (addr == (void *) -1) + perror("shmat"); + break; - case 'd': - if( shmdt( addr ) == -1 ) perror( "shmdt" ); - else addr = NULL; - break; + case 'd': + if (shmdt(addr) == -1) + perror("shmdt"); + else + addr = NULL; + break; - case 'c': - if( shmctl( shmid, IPC_RMID, NULL ) == -1 ) perror( "shmctl" ); - else shmid = -1; - break; + case 'c': + if (shmctl(shmid, IPC_RMID, NULL) == -1) + perror("shmctl"); + else + shmid = -1; + break; - case 'w': - printf( "String to write: " ); - scanf( "%s", addr ); - break; + case 'w': + printf("String to write: "); + scanf("%s", addr); + break; - case 'r': - puts( addr ); - break; - } - } - while( s[0] != 'x' ); + case 'r': + puts(addr); + break; + } + } + while (s[0] != 'x'); - return 0; + return 0; } |