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#if HAVE_CONFIG_H
# include "config.h"
#endif
/* The program was written to address missing "ipcrm" command on Mac X
* It probes a range of System V shared memory id from 0 to MAXID
* and if exist, it attempts to delete them.
*/
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_IPC_H
# include <sys/ipc.h>
#endif
#if HAVE_SYS_SHM_H
# include <sys/shm.h>
#endif
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#if HAVE_ERRNO_H
# include <errno.h>
#endif
#if HAVE_STDIO_H
# include <stdio.h>
#endif
#define MAXID 1000000
int main(int argc, char **argv)
{
int i;
for (i = 0; i < MAXID; i++) {
#if SIZEOF_VOIDP == SIZEOF_INT
int rc = (int) shmat(i, (char *) NULL, 0);
#elif SIZEOF_VOIDP == SIZEOF_LONG
long rc = (long) shmat(i, (char *) NULL, 0);
#elif SIZEOF_VOIDP == SIZEOF_LONGLONG
long long rc = (long long) shmat(i, (char *) NULL, 0);
#endif
if (rc < 0) {
continue;
}
printf("found %d\n", i);
shmdt((void *)rc);
/* delete segment id */
if (shmctl(i, IPC_RMID, (struct shmid_ds *)NULL)) {
printf("failed to remove shm id=%d\n", i);
}
}
return 0;
}
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