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Diffstat (limited to 'gnulib/doc/posix-functions/setjmp.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-functions/setjmp.texi | 23 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/setjmp.texi b/gnulib/doc/posix-functions/setjmp.texi new file mode 100644 index 0000000..fbf6cc5 --- /dev/null +++ b/gnulib/doc/posix-functions/setjmp.texi @@ -0,0 +1,23 @@ +@node setjmp +@section @code{setjmp} +@findex setjmp + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/setjmp.html} + +Gnulib module: --- + +Portability problems fixed by Gnulib: +@itemize +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +POSIX does not specify whether @code{setjmp} saves the signal mask in the +@code{jmp_buf}. It does on BSD platforms, and on glibc platforms when +@code{_BSD_SOURCE} is defined; in this case @code{setjmp} behaves like +@code{sigsetjmp(.,1)}, and functions @code{_setjmp} and @code{_longjmp} are +available that don't save or restore the signal mask. On System V platforms +(excluding HP-UX), and on glibc platforms by default, @code{setjmp} doesn't +save the signal mask. +@end itemize |