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| author | ethindra <none@none> | 2007-05-10 18:49:25 -0700 |
|---|---|---|
| committer | ethindra <none@none> | 2007-05-10 18:49:25 -0700 |
| commit | aa47d34086d87750d5d3721b607c057e282e1048 (patch) | |
| tree | 4b95a07aa445b9994bb1c8bbfde3aa0e2c4ec4ea /usr/src | |
| parent | 317596c51a93f4ad2b6601ca7fe483cea905b2f5 (diff) | |
| download | illumos-gate-aa47d34086d87750d5d3721b607c057e282e1048.tar.gz | |
6533743 Deadlock involving a file_t f_tlock and P_PR_LOCK in case of fork failure
Diffstat (limited to 'usr/src')
| -rw-r--r-- | usr/src/uts/common/os/fork.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/usr/src/uts/common/os/fork.c b/usr/src/uts/common/os/fork.c index aae3f69a59..77c22aa7bb 100644 --- a/usr/src/uts/common/os/fork.c +++ b/usr/src/uts/common/os/fork.c @@ -272,6 +272,8 @@ cfork(int isvfork, int isfork1, int flags) error = as_dup(p->p_as, &cp->p_as); if (error != 0) { + mutex_enter(&p->p_lock); + sprunlock(p); fork_fail(cp); mutex_enter(&pidlock); orphpp = &p->p_orphan; @@ -298,7 +300,7 @@ cfork(int isvfork, int isfork1, int flags) p->p_flag &= ~SFORKING; pool_barrier_exit(); continuelwps(p); - sprunlock(p); + mutex_exit(&p->p_lock); /* * Preserve ENOMEM error condition but * map all others to EAGAIN. |