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signal: add SA_NOMASK flag definition

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according to linux kernel doc, "the SA_NOMASK is an obsolete,
nonstandard synonym for this SA_NODEFER" flag, and some ltp linux kernel
testcases need this flag, so we add this flag to make the testcases pass

Signed-off-by: guoshichao <guoshichao@xiaomi.com>
This commit is contained in:
guoshichao 2024-12-05 16:14:18 +08:00 committed by Alan C. Assis
parent a8cdd63d56
commit 16789ed818
1 changed files with 4 additions and 0 deletions
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4
include/signal.h
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@ -199,6 +199,10 @@
* is delivered */
#define SA_KERNELHAND (1 << 7) /* Invoke the handler in kernel space directly */
/* SA_NOMASK is a nonstandard synonym of SA_NODEFER */
#define SA_NOMASK SA_NODEFER
/* These are the possible values of the siginfo si_code field */
#define SI_USER 0 /* Signal sent from kill, raise, or abort */