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| author | jake <jake@FreeBSD.org> | 2000-11-22 07:42:04 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2000-11-22 07:42:04 +0000 |
| commit | 0c0be4e82677a2d8fb49b7a70676bf359e7360b0 (patch) | |
| tree | a0c32260edfde6d861e66b11172147608684043e /sys/kern/imgact_elf.c | |
| parent | 1b544875743d53491a096b0c757bf30ce73bb83b (diff) | |
| download | FreeBSD-src-0c0be4e82677a2d8fb49b7a70676bf359e7360b0.zip FreeBSD-src-0c0be4e82677a2d8fb49b7a70676bf359e7360b0.tar.gz | |
Protect the following with a lockmgr lock:
allproc
zombproc
pidhashtbl
proc.p_list
proc.p_hash
nextpid
Reviewed by: jhb
Obtained from: BSD/OS and netbsd
Diffstat (limited to 'sys/kern/imgact_elf.c')
| -rw-r--r-- | sys/kern/imgact_elf.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index 9706d67..90c9716 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -152,13 +152,18 @@ int elf_brand_inuse(Elf_Brandinfo *entry) { struct proc *p; + int rval = FALSE; + lockmgr(&allproc_lock, LK_SHARED, NULL, CURPROC); LIST_FOREACH(p, &allproc, p_list) { - if (p->p_sysent == entry->sysvec) - return TRUE; + if (p->p_sysent == entry->sysvec) { + rval = TRUE; + break; + } } + lockmgr(&allproc_lock, LK_RELEASE, NULL, CURPROC); - return FALSE; + return (rval); } static int |
