diff options
| author | gjb <gjb@FreeBSD.org> | 2014-06-27 22:05:21 +0000 |
|---|---|---|
| committer | gjb <gjb@FreeBSD.org> | 2014-06-27 22:05:21 +0000 |
| commit | fc21f40567ac7485e9e987cf5a539bd0d11c7155 (patch) | |
| tree | fce5301b062a855bc68b9cb76c6b5966c5a2acbe /sys/kern/sysv_sem.c | |
| parent | 2f456747e010bfa5a9dd3498aa5650e0ade39f22 (diff) | |
| download | FreeBSD-src-fc21f40567ac7485e9e987cf5a539bd0d11c7155.zip FreeBSD-src-fc21f40567ac7485e9e987cf5a539bd0d11c7155.tar.gz | |
Revert r267961, r267973:
These changes prevent sysctl(8) from returning proper output,
such as:
1) no output from sysctl(8)
2) erroneously returning ENOMEM with tools like truss(1)
or uname(1)
truss: can not get etype: Cannot allocate memory
Diffstat (limited to 'sys/kern/sysv_sem.c')
| -rw-r--r-- | sys/kern/sysv_sem.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sys/kern/sysv_sem.c b/sys/kern/sysv_sem.c index c632902..f9ff217 100644 --- a/sys/kern/sysv_sem.c +++ b/sys/kern/sysv_sem.c @@ -196,7 +196,7 @@ SYSCTL_INT(_kern_ipc, OID_AUTO, semmns, CTLFLAG_RDTUN, &seminfo.semmns, 0, "Maximum number of semaphores in the system"); SYSCTL_INT(_kern_ipc, OID_AUTO, semmnu, CTLFLAG_RDTUN, &seminfo.semmnu, 0, "Maximum number of undo structures in the system"); -SYSCTL_INT(_kern_ipc, OID_AUTO, semmsl, CTLFLAG_RWTUN, &seminfo.semmsl, 0, +SYSCTL_INT(_kern_ipc, OID_AUTO, semmsl, CTLFLAG_RW, &seminfo.semmsl, 0, "Max semaphores per id"); SYSCTL_INT(_kern_ipc, OID_AUTO, semopm, CTLFLAG_RDTUN, &seminfo.semopm, 0, "Max operations per semop call"); @@ -204,9 +204,9 @@ SYSCTL_INT(_kern_ipc, OID_AUTO, semume, CTLFLAG_RDTUN, &seminfo.semume, 0, "Max undo entries per process"); SYSCTL_INT(_kern_ipc, OID_AUTO, semusz, CTLFLAG_RDTUN, &seminfo.semusz, 0, "Size in bytes of undo structure"); -SYSCTL_INT(_kern_ipc, OID_AUTO, semvmx, CTLFLAG_RWTUN, &seminfo.semvmx, 0, +SYSCTL_INT(_kern_ipc, OID_AUTO, semvmx, CTLFLAG_RW, &seminfo.semvmx, 0, "Semaphore maximum value"); -SYSCTL_INT(_kern_ipc, OID_AUTO, semaem, CTLFLAG_RWTUN, &seminfo.semaem, 0, +SYSCTL_INT(_kern_ipc, OID_AUTO, semaem, CTLFLAG_RW, &seminfo.semaem, 0, "Adjust on exit max value"); SYSCTL_PROC(_kern_ipc, OID_AUTO, sema, CTLTYPE_OPAQUE | CTLFLAG_RD, NULL, 0, sysctl_sema, "", "Semaphore id pool"); @@ -249,6 +249,16 @@ seminit(void) { int i, error; + TUNABLE_INT_FETCH("kern.ipc.semmni", &seminfo.semmni); + TUNABLE_INT_FETCH("kern.ipc.semmns", &seminfo.semmns); + TUNABLE_INT_FETCH("kern.ipc.semmnu", &seminfo.semmnu); + TUNABLE_INT_FETCH("kern.ipc.semmsl", &seminfo.semmsl); + TUNABLE_INT_FETCH("kern.ipc.semopm", &seminfo.semopm); + TUNABLE_INT_FETCH("kern.ipc.semume", &seminfo.semume); + TUNABLE_INT_FETCH("kern.ipc.semusz", &seminfo.semusz); + TUNABLE_INT_FETCH("kern.ipc.semvmx", &seminfo.semvmx); + TUNABLE_INT_FETCH("kern.ipc.semaem", &seminfo.semaem); + sem = malloc(sizeof(struct sem) * seminfo.semmns, M_SEM, M_WAITOK); sema = malloc(sizeof(struct semid_kernel) * seminfo.semmni, M_SEM, M_WAITOK); |
