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| author | David Höppner <0xffea@gmail.com> | 2013-06-24 12:51:44 +0000 |
|---|---|---|
| committer | Richard Lowe <richlowe@richlowe.net> | 2013-09-27 11:24:30 -0400 |
| commit | 5e989a96186a37eb528fb7bb4d28a150874ec799 (patch) | |
| tree | b14e350ba6c6f641c97c0015997076bf4d67f28f /usr/src/uts/common/syscall/sigqueue.c | |
| parent | b9476f453004695da12eaaff383ed9005e7a47c4 (diff) | |
| download | illumos-joyent-5e989a96186a37eb528fb7bb4d28a150874ec799.tar.gz | |
3830 SIGQUEUE_MAX's limit of 32 is too low
Reviewed by: Cedric Blancher <cedric.blancher@gmail.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: Irek Szczesniak <iszczesniak@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Diffstat (limited to 'usr/src/uts/common/syscall/sigqueue.c')
| -rw-r--r-- | usr/src/uts/common/syscall/sigqueue.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/usr/src/uts/common/syscall/sigqueue.c b/usr/src/uts/common/syscall/sigqueue.c index cb38bafbd9..9f4eb67f79 100644 --- a/usr/src/uts/common/syscall/sigqueue.c +++ b/usr/src/uts/common/syscall/sigqueue.c @@ -26,8 +26,6 @@ /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include <sys/param.h> #include <sys/types.h> #include <sys/sysmacros.h> @@ -40,6 +38,8 @@ #include <sys/siginfo.h> #include <sys/debug.h> +extern rctl_hndl_t rc_process_sigqueue; + static int sigqkill(pid_t pid, sigsend_t *sigsend) { @@ -121,7 +121,7 @@ kill(pid_t pid, int sig) */ int sigqueue(pid_t pid, int sig, /* union sigval */ void *value, - int si_code, int block) + int si_code, int block) { int error; sigsend_t v; @@ -133,8 +133,15 @@ sigqueue(pid_t pid, int sig, /* union sigval */ void *value, return (set_errno(EINVAL)); if ((sqh = p->p_sigqhdr) == NULL) { + rlim64_t sigqsz_max; + + mutex_enter(&p->p_lock); + sigqsz_max = rctl_enforced_value(rc_process_sigqueue, + p->p_rctls, p); + mutex_exit(&p->p_lock); + /* Allocate sigqueue pool first time */ - sqh = sigqhdralloc(sizeof (sigqueue_t), _SIGQUEUE_MAX); + sqh = sigqhdralloc(sizeof (sigqueue_t), (uint_t)sigqsz_max); mutex_enter(&p->p_lock); if (p->p_sigqhdr == NULL) { /* hang the pool head on proc */ |