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use own gettid() only for older glibc versions

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gettid() is provided in glibc since version 2.30. Detect the glibc version
with a macro and only define our own gettid() when glibc version < 2.30.
This commit is contained in:
tetzank 2019-10-13 22:40:00 +02:00
parent ab9cb71225
commit 0226150f3b
1 changed files with 7 additions and 0 deletions
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7
libcoz/ccutil/thread.h
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@ -1,6 +1,11 @@
#if !defined(CCUTIL_THREAD_H)
#define CCUTIL_THREAD_H
// gettid() is provided by glibc since version 2.30
// only create our own implementation for older glibc versions
#include <features.h>
#if !__GLIBC_PREREQ(2,30)
#include <sys/syscall.h>
static inline pid_t gettid() {
@ -8,3 +13,5 @@ static inline pid_t gettid() {
}
#endif
#endif