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| author | H.J. Lu <hongjiu.lu@intel.com> | 2011-12-15 22:20:41 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-12-15 14:20:41 -0800 |
| commit | 196d5322358db4e3261e984ae8a60e7a7d8aa06c (patch) | |
| tree | fd44c738ad21f293831f28333bc265db599bbe58 /libgcc | |
| parent | aec1d6f64984e1d9b10ad7e1b4d94085ec246c75 (diff) | |
| download | gcc-196d5322358db4e3261e984ae8a60e7a7d8aa06c.zip gcc-196d5322358db4e3261e984ae8a60e7a7d8aa06c.tar.gz gcc-196d5322358db4e3261e984ae8a60e7a7d8aa06c.tar.bz2 | |
Check __GLIBC__ when using __SIGRTMIN
2011-12-15 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2011-12-14 H.J. Lu <hongjiu.lu@intel.com>
* generic-morestack.c (__generic_morestack_set_initial_sp): Check
__GLIBC__ instead of __linux__ when using __SIGRTMIN.
From-SVN: r182393
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 8 | ||||
| -rw-r--r-- | libgcc/generic-morestack.c | 4 |
2 files changed, 10 insertions, 2 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 71a75bb..c5b1d1c 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,11 @@ +2011-12-15 H.J. Lu <hongjiu.lu@intel.com> + + Backport from mainline + 2011-12-14 H.J. Lu <hongjiu.lu@intel.com> + + * generic-morestack.c (__generic_morestack_set_initial_sp): Check + __GLIBC__ instead of __linux__ when using __SIGRTMIN. + 2011-11-23 Gerald Pfeifer <gerald@pfeifer.com> * config.host (*-*-freebsd[12], *-*-freebsd[12].*, diff --git a/libgcc/generic-morestack.c b/libgcc/generic-morestack.c index 7e29bbc..77344a9 100644 --- a/libgcc/generic-morestack.c +++ b/libgcc/generic-morestack.c @@ -459,8 +459,8 @@ __generic_morestack_set_initial_sp (void *sp, size_t len) sigemptyset (&__morestack_initial_sp.mask); sigfillset (&__morestack_fullmask); -#ifdef __linux__ - /* On Linux, the first two real time signals are used by the NPTL +#ifdef __GLIBC__ + /* In glibc, the first two real time signals are used by the NPTL threading library. By taking them out of the set of signals, we avoiding copying the signal mask in pthread_sigmask. More importantly, pthread_sigmask uses less stack space on x86_64. */ |