From 239c2bf93e32e147dab3e6cde99078d1ad5a1ef5 Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Fri, 28 Oct 2005 21:21:08 +0000 Subject: 2005-10-28 Bob Wilson * libc/misc/unctrl.c: Replace FUNCTION description. * libc/signal/signal.c: Remove documentation for raise and _raise_r. * libc/stdio/getdelim.c: Fix spelling errors. * libc/stdio/getw.c: Put RETURNS on a separate line. Fix punctuation. * libc/stdio/putw.c: Likewise. * libc/stdlib/a64l.c: Fix formatting, spelling and punctuation in documentation. * libc/stdlib/assert.c: Do not capitalize FUNCTION description. * libc/stdlib/efgcvt.c: Add spaces to FUNCTION description. * libc/stdlib/envlock.c: Use em-dash in FUNCTION description. * libc/stdlib/mlock.c: Likewise. * libc/stdlib/mstats.c: Likewise. * libc/time/tzlock.c: Likewise. * libc/stdlib/rand.c: Use "multi-threaded" and "thread-safe" in NOTES. * libc/stdlib/rand48.c: Remove extra space in FUNCTION description and hyphenate "pseudo-random". * libc/string/bcmp.c: Remove extra blank lines in documentation. * libc/string/strncat.c: Likewise. * libc/string/memchr.c: Remove extra ">" character in documentation. * libc/string/strcspn.c: Use "characters" instead of "chars". * libc/string/strpbrk.c: Likewise. * libc/string/strerror_r.c: Capitalize "GNU". * libc/string/strnlen.c: Likewise. * libc/string/strtok.c: Fix formatting, spelling and punctuation in documentation. Use "multi-threaded" and "thread-safe" in NOTES. * libc/string/wcscat.c: Split PORTABILITY into two paragraphs. * libc/string/wcschr.c: Likewise. * libc/string/wcscmp.c: Likewise. * libc/string/wcscpy.c: Likewise. * libc/string/wcscspn.c: Likewise. * libc/string/wcslen.c: Likewise. * libc/string/wcsncat.c: Likewise. * libc/string/wcsncmp.c: Likewise. * libc/string/wcsncpy.c: Likewise. * libc/string/wcsnlen.c: Likewise. * libc/string/wcspbrk.c: Likewise. * libc/string/wcsrchr.c: Likewise. * libc/string/wcsspn.c: Likewise. * libc/string/wmemchr.c: Likewise. * libc/string/wmemcmp.c: Likewise. * libc/string/wmemcpy.c: Likewise. * libc/string/wmemset.c: Likewise. * libc/string/wmemmove.c: Likewise. Also fix FUNCTION description. * libc/string/wcswidth.c: Formatting and punctuation in documentation. * libc/string/wcwidth.c: Likewise. * libm/common/s_modf.c: Remove extra period from documentation. * libm/math/s_isnan.c: Fix formatting, grammar and punctuation in documentation. * libm/mathfp/s_isnan.c: Likewise. * libm/math/s_ldexp.c: Fix punctuation. * libm/mathfp/s_ldexp.c: Likewise. * libm/math/w_log.c: Likewise. * libm/mathfp/s_logarithm.c: Likewise. * libm/math/w_j0.c: Add spaces to FUNCTION description. * libm/mathfp/w_jn.c: Likewise. --- newlib/libc/signal/signal.c | 32 ++++++-------------------------- 1 file changed, 6 insertions(+), 26 deletions(-) (limited to 'newlib/libc/signal/signal.c') diff --git a/newlib/libc/signal/signal.c b/newlib/libc/signal/signal.c index 20e919e74..bfb85e66a 100644 --- a/newlib/libc/signal/signal.c +++ b/newlib/libc/signal/signal.c @@ -6,21 +6,12 @@ INDEX signal INDEX _signal_r -INDEX - raise -INDEX - _raise_r ANSI_SYNOPSIS #include - void ( * signal(int <[sig]>, void(*<[func]>)(int)) )(int); - - void ( * _signal_r(void *<[reent]>, - int <[sig]>, void(*<[func]>)(int)) )(int); + void (*signal(int <[sig]>, void(*<[func]>)(int))) (int); - int raise (int <[sig]>); - - int _raise_r (void *<[reent]>, int <[sig]>); + void (*_signal_r(void *<[reent]>, int <[sig]>, void(*<[func]>)(int))) (int); TRAD_SYNOPSIS #include @@ -33,15 +24,8 @@ TRAD_SYNOPSIS int <[sig]>; char ( * <[func]> )(); - int raise (<[sig]>)() - int <[sig]>; - - int _raise_r (<[reent]>, <[sig]>)() - char *<[reent]>; - int <[sig]>; - DESCRIPTION -<> provide a simple signal/raise implementation for embedded +<> provides a simple signal-handling implementation for embedded targets. <> allows you to request changed treatment for a particular @@ -52,7 +36,7 @@ that identifies a subroutine in your program as the handler for this signal. Some of the execution environment for signal handlers is unpredictable; notably, the only library function required to work -correctly from within a signal handler is @code{signal} itself, and +correctly from within a signal handler is <> itself, and only when used to redefine the handler for the current signal value. Static storage is likewise unreliable for signal handlers, with one @@ -66,13 +50,9 @@ where it was when the signal was raised (whether by your program itself, or by an external event). Signal handlers can also use functions such as <> and <> to avoid returning. -<> sends the signal sig to the executing program. It returns zero if -successful, non-zero if unsuccessful. - -The alternate functions <<_signal_r, _raise_r>> are the reentrant versions. +The alternate function <<_signal_r>> is the reentrant version. The extra argument <[reent]> is a pointer to a reentrancy structure. - @c FIXME: do we have setjmp.h and assoc fns? RETURNS @@ -83,7 +63,7 @@ Otherwise, the result is the previous handler (a function pointer or one of the predefined macros). PORTABILITY -ANSI C requires <>, <>. +ANSI C requires <>. No supporting OS subroutines are required to link with <>, but it will not have any useful effects, except for software generated signals, -- cgit v1.2.3