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libc/sysconf: add _SC_REALTIME_SIGNALS 

pass ltp case: open_posix_testsuite/conformance/interfaces/sigwait/7-1.c

Signed-off-by: fangxinyong <fangxinyong@xiaomi.com>
This commit is contained in:
fangxinyong 2023-06-24 19:40:00 +08:00 committed by Xiang Xiao
parent d1825a7acb
commit 2bf434214e
2 changed files with 3 additions and 1 deletions
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2
include/unistd.h
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@ -45,7 +45,6 @@
#define POSIX_VERSION
#undef _POSIX_SAVED_IDS
#undef _POSIX_JOB_CONTROL
#define _POSIX_REALTIME_SIGNALS 1
#define _POSIX_MESSAGE_PASSING 1
#undef _POSIX_MAPPED_FILES
#undef _POSIX_SHARED_MEMORY_OBJECTS
@ -65,6 +64,7 @@
#define _POSIX_PRIORITIZED_IO _POSIX_VERSION
#define _POSIX_CPUTIME _POSIX_VERSION
#define _POSIX_THREAD_CPUTIME _POSIX_VERSION
#define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
#define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
#ifdef CONFIG_FS_AIO

2
libs/libc/unistd/lib_sysconf.c
View File

@ -227,6 +227,8 @@ long sysconf(int name)
return _POSIX_CPUTIME;
case _SC_THREAD_CPUTIME:
return _POSIX_THREAD_CPUTIME;
case _SC_REALTIME_SIGNALS:
return _POSIX_REALTIME_SIGNALS;
case _SC_CLK_TCK:
return CLOCKS_PER_SEC;