#include <string.h> char *strsignal(int sig); char *sigdescr_np(int sig); char *sigabbrev_np(int sig); extern const char * const sys_siglist[];
glibc 向けの機能検査マクロの要件 (feature_test_macros(7) 参照):
sigabbrev_np(), sigdescr_np():
The sigdescr_np() function returns a string describing the signal number passed in the argument sig. Unlike strsignal() this string is not influenced by the current locale.
The sigabbrev_np() function returns the abbreviated name of the signal, sig. For example, given the value SIGINT, it returns the string "INT".
The (deprecated) array sys_siglist holds the signal description strings indexed by signal number. The strsignal() or the sigdescr_np() function should be used instead of this array; see also VERSIONS.
The sigdescr_np() and sigdabbrev_np() functions return the appropriate description string. The returned string is statically allocated and valid for the lifetime of the program. These functions return NULL for an invalid signal number.
Starting with version 2.32, the sys_siglist symbol is no longer exported by glibc.
| インターフェース | 属性 | 値 |
| strsignal() | Thread safety | MT-Unsafe race:strsignal locale |
| sigdescr_np(), sigabbrev_np() | Thread safety | MT-Safe |
sigdescr_np() と sigdabbrev_np() は GNU による拡張である。
sys_siglist is nonstandard, but present on many other systems.
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