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\fbsignal\fp(2)
\fbsigpause\fp(3)
\fbsigpending\fp(2)
\fbsigprocmask\fp(2)
\fbsigqueue\fp(2)
\fbsigset\fp(3)
\fbsigsuspend\fp(2)
\fbsleep\fp(3)
\fbsockatmark\fp(3) added in posix.1-2001 tc2
\fbsocket\fp(2)
\fbsocketpair\fp(2)
\fbstat\fp(2)
\fbstpcpy\fp(3) added in posix.1-2008 tc2
\fbstpncpy\fp(3) added in posix.1-2008 tc2
\fbstrcat\fp(3) added in posix.1-2008 tc2
\fbstrchr\fp(3) added in posix.1-2008 tc2
\fbstrcmp\fp(3) added in posix.1-2008 tc2
\fbstrcpy\fp(3) added in posix.1-2008 tc2
\fbstrcspn\fp(3) added in posix.1-2008 tc2
\fbstrlen\fp(3) added in posix.1-2008 tc2
\fbstrncat\fp(3) added in posix.1-2008 tc2
\fbstrncmp\fp(3) added in posix.1-2008 tc2
\fbstrncpy\fp(3) added in posix.1-2008 tc2
\fbstrnlen\fp(3) added in posix.1-2008 tc2
\fbstrpbrk\fp(3) added in posix.1-2008 tc2
\fbstrrchr\fp(3) added in posix.1-2008 tc2
\fbstrspn\fp(3) added in posix.1-2008 tc2
\fbstrstr\fp(3) added in posix.1-2008 tc2
\fbstrtok_r\fp(3) added in posix.1-2008 tc2
\fbsymlink\fp(2)
\fbsymlinkat\fp(2) added in posix.1-2008
\fbtcdrain\fp(3)
\fbtcflow\fp(3)
\fbtcflush\fp(3)
\fbtcgetattr\fp(3)
\fbtcgetpgrp\fp(3)
\fbtcsendbreak\fp(3)
\fbtcsetattr\fp(3)
\fbtcsetpgrp\fp(3)
\fbtime\fp(2)
\fbtimer_getoverrun\fp(2)
\fbtimer_gettime\fp(2)
\fbtimer_settime\fp(2)
\fbtimes\fp(2)
\fbumask\fp(2)
\fbuname\fp(2)
\fbunlink\fp(2)
\fbunlinkat\fp(2) added in posix.1-2008
\fbutime\fp(2)
\fbutimensat\fp(2) added in posix.1-2008
\fbutimes\fp(2) added in posix.1-2008
\fbwait\fp(2)
\fbwaitpid\fp(2)
\fbwcpcpy\fp(3) added in posix.1-2008 tc2
\fbwcpncpy\fp(3) added in posix.1-2008 tc2
\fbwcscat\fp(3) added in posix.1-2008 tc2
\fbwcschr\fp(3) added in posix.1-2008 tc2
\fbwcscmp\fp(3) added in posix.1-2008 tc2
\fbwcscpy\fp(3) added in posix.1-2008 tc2
\fbwcscspn\fp(3) added in posix.1-2008 tc2
\fbwcslen\fp(3) added in posix.1-2008 tc2
\fbwcsncat\fp(3) added in posix.1-2008 tc2
\fbwcsncmp\fp(3) added in posix.1-2008 tc2
\fbwcsncpy\fp(3) added in posix.1-2008 tc2
\fbwcsnlen\fp(3) added in posix.1-2008 tc2
\fbwcspbrk\fp(3) added in posix.1-2008 tc2
\fbwcsrchr\fp(3) added in posix.1-2008 tc2
\fbwcsspn\fp(3) added in posix.1-2008 tc2
\fbwcsstr\fp(3) added in posix.1-2008 tc2
\fbwcstok\fp(3) added in posix.1-2008 tc2
\fbwmemchr\fp(3) added in posix.1-2008 tc2
\fbwmemcmp\fp(3) added in posix.1-2008 tc2
\fbwmemcpy\fp(3) added in posix.1-2008 tc2
\fbwmemmove\fp(3) added in posix.1-2008 tc2
\fbwmemset\fp(3) added in posix.1-2008 tc2
\fbwrite\fp(2)
.te
.pp
notes:
.ip * 3
posix.1-2001 and posix.1-2001 tc2 required the functions
.br fpathconf (3),
.br pathconf (3),
and
.br sysconf (3)
to be async-signal-safe, but this requirement was removed in posix.1-2008.
.ip *
if a signal handler interrupts the execution of an unsafe function,
and the handler terminates via a call to
.br longjmp (3)
or
.br siglongjmp (3)
and the program subsequently calls an unsafe function,
then the behavior of the program is undefined.
.ip *
posix.1-2001 tc1 clarified
that if an application calls
.br fork (2)
from a signal handler and any of the fork handlers registered by
.br pthread_atfork (3)