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Set the POSIX semaphore capability when the semaphore module is enabled.

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This is ignored in HEAD where semaphores are marked as always enabled in
<unistd.h>.

MFC after:	1 week
This commit is contained in:
John Baldwin 2010-11-19 17:57:50 +00:00
parent 34c1c5992f
commit 2e7758a8f6
1 changed files with 2 additions and 0 deletions
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2
sys/kern/uipc_sem.c
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@ -949,6 +949,7 @@ ksem_module_init(void)
mtx_init(&ksem_count_lock, "ksem count", NULL, MTX_DEF);
sx_init(&ksem_dict_lock, "ksem dictionary");
ksem_dictionary = hashinit(1024, M_KSEM, &ksem_hash);
p31b_setcfg(CTL_P1003_1B_SEMAPHORES, 200112L);
p31b_setcfg(CTL_P1003_1B_SEM_NSEMS_MAX, SEM_MAX);
p31b_setcfg(CTL_P1003_1B_SEM_VALUE_MAX, SEM_VALUE_MAX);
@ -972,6 +973,7 @@ ksem_module_destroy(void)
#endif
syscall_helper_unregister(ksem_syscalls);
p31b_setcfg(CTL_P1003_1B_SEMAPHORES, 0);
hashdestroy(ksem_dictionary, M_KSEM, ksem_hash);
sx_destroy(&ksem_dict_lock);
mtx_destroy(&ksem_count_lock);