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| author | Daniel <dkozovsk@redhat.com> | 2018-07-26 15:39:12 +0200 |
|---|---|---|
| committer | Daniel <dkozovsk@redhat.com> | 2018-07-26 15:39:12 +0200 |
| commit | 1595b257df98b361d178b3ce3e4ca5ac463be0cd (patch) | |
| tree | 598a07f095208ccad3c233debcc6f7f7eef85ca4 /src/basic/sigbus.c | |
| parent | 14a6aee05092147a42611c9f2b57cfda36547049 (diff) | |
| download | systemd-1595b257df98b361d178b3ce3e4ca5ac463be0cd.tar.gz | |
void call of page_size guarantees that sysconf is not called from signal handler
Diffstat (limited to 'src/basic/sigbus.c')
| -rw-r--r-- | src/basic/sigbus.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/basic/sigbus.c b/src/basic/sigbus.c index 70afba6bcf..d5254eab9d 100644 --- a/src/basic/sigbus.c +++ b/src/basic/sigbus.c @@ -113,6 +113,10 @@ void sigbus_install(void) { .sa_flags = SA_SIGINFO, }; + /* make sure that sysconf() is not called from a signal handler because + * it is not guaranteed to be async-signal-safe since POSIX.1-2008 */ + (void) page_size(); + n_installed++; if (n_installed == 1) |