Merge pull request #1352 from martin-frbg/issue1351
Output an error message when shmat() fails
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commit
cc26cdce0c
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@ -78,6 +78,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <sys/sysinfo.h>
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#include <sys/sysinfo.h>
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#include <sys/syscall.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <sys/shm.h>
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#include <sys/shm.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <sched.h>
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#include <sched.h>
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@ -659,8 +661,9 @@ static void open_shmem(void) {
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exit(1);
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exit(1);
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}
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}
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if (shmid != -1) common = (shm_t *)shmat(shmid, NULL, 0);
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if (shmid != -1) {
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if ( (common = shmat(shmid, NULL, 0)) == (void*)-1) perror ("Attaching shared memory segment");
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}
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#ifdef DEBUG
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#ifdef DEBUG
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fprintf(stderr, "Shared Memory id = %x Address = %p\n", shmid, common);
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fprintf(stderr, "Shared Memory id = %x Address = %p\n", shmid, common);
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#endif
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#endif
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