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| author | Mattias Andrée <maandree@member.fsf.org> | 2015-12-30 18:34:15 +0100 |
|---|---|---|
| committer | Mattias Andrée <maandree@member.fsf.org> | 2015-12-30 18:34:35 +0100 |
| commit | afa88a76c1d8525c21634927e7115f45f62a8623 (patch) | |
| tree | 1568f5f22fa695cdc87f046ac9687653ff4de6b8 /src/alloca/needstack.c | |
| parent | needstack: forgot to set the mask (diff) | |
| download | slibc-afa88a76c1d8525c21634927e7115f45f62a8623.tar.gz slibc-afa88a76c1d8525c21634927e7115f45f62a8623.tar.bz2 slibc-afa88a76c1d8525c21634927e7115f45f62a8623.tar.xz | |
needstack: We cannot protect ourself from death by SIGSEGV, the CPU would halt and catch fire.
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
Diffstat (limited to 'src/alloca/needstack.c')
| -rw-r--r-- | src/alloca/needstack.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/alloca/needstack.c b/src/alloca/needstack.c index 149914c..094b3ad 100644 --- a/src/alloca/needstack.c +++ b/src/alloca/needstack.c @@ -58,6 +58,8 @@ int stack_will_overflow(intptr_t n) return 1; old_sigsegv_handler = signal(SIGSEGV, SIG_DFL); + /* Sorry, we cannot have a signal handler, the OS kernel + * will make the CPU halt and catch fire until we die. */ if (old_sigsegv_handler == SIG_ERR) return 1; |