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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2008-07-04 19:40:51 +0000 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2008-07-04 19:40:51 +0000 |
| commit | 72ee5ec27798f7fb36e84ab9e612fc17f9a1cc50 (patch) | |
| tree | 8c4d6ee5daac14ae0470e4742864c82203bbebb5 | |
| parent | 0005e334d71ed631c950455218ed24198cd3590b (diff) | |
| download | man-pages-72ee5ec27798f7fb36e84ab9e612fc17f9a1cc50.tar.gz | |
tweaks + update async-signal-safe function to that given in POSIX.1-2004
| -rw-r--r-- | man7/signal.7 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/man7/signal.7 b/man7/signal.7 index c68ea9d468..dd8904e195 100644 --- a/man7/signal.7 +++ b/man7/signal.7 @@ -353,7 +353,8 @@ If a signal interrupts the execution of an unsafe function, and .I handler calls an unsafe function, then the behavior of the program is undefined. -POSIX.1-2003 requires an implementation to guarantee that the following +POSIX.1-2004 (also known as POSIX.1-2001 Technical Corrigendum 2) +requires an implementation to guarantee that the following functions can be safely called inside a signal handler: .\" FIXME . SUSv4 adds functions to this list, and removes a few. @@ -452,6 +453,7 @@ sigset() sigsuspend() sleep() socket() +sockatmark() socketpair() stat() symlink() @@ -488,7 +490,8 @@ and whether or not the signal handler was established using the .BR SA_RESTART flag (see .BR sigaction (2)). -The details vary across Unix systems. +The details vary across Unix systems; +below, are the details for Linux. For the following interfaces, if the @@ -518,7 +521,7 @@ then the call will return a success status (normally, the number of bytes transferred). .IP * .BR open (2), -if it can block (e.g., for a FIFO; see +if it can block (e.g., when opening a FIFO; see .BR fifo (7)). .IP * .BR wait (2), |