mirror of
https://github.com/sheumann/hush.git
synced 2024-08-20 04:28:57 +00:00
libbb: optionally support RTMIN[+n] and RTMAX[-n] signal names
function old new delta get_signum 140 336 +196 __libc_allocate_rtsig - 56 +56 __libc_current_sigrtmin - 6 +6 __libc_current_sigrtmax - 6 +6 current_rtmin - 4 +4 current_rtmax - 4 +4 bbconfig_config_bz2 4961 4962 +1 ------------------------------------------------------------------------------ (add/remove: 6/0 grow/shrink: 2/0 up/down: 273/0) Total: 273 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
parent
90615a0c5c
commit
2753aae0e8
@ -135,7 +135,7 @@ config FEATURE_NON_POSIX_CP
|
||||
and create a regular file. This does not conform to POSIX,
|
||||
but prevents a symlink attack.
|
||||
Similarly, "cp file device" will not send file's data
|
||||
to the device.
|
||||
to the device. (To do that, use "cat file >device")
|
||||
|
||||
config FEATURE_VERBOSE_CP_MESSAGE
|
||||
bool "Give more precise messages when copy fails (cp, mv etc)"
|
||||
|
@ -7,6 +7,13 @@
|
||||
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
||||
*/
|
||||
|
||||
//config:config FEATURE_RTMINMAX
|
||||
//config: bool "Support RTMIN[+n] and RTMAX[-n] signal names"
|
||||
//config: default y
|
||||
//config: help
|
||||
//config: Support RTMIN[+n] and RTMAX[-n] signal names
|
||||
//config: in kill, killall etc. This costs ~250 bytes.
|
||||
|
||||
#include "libbb.h"
|
||||
|
||||
/* Believe it or not, but some arches have more than 32 SIGs!
|
||||
@ -134,7 +141,8 @@ int FAST_FUNC get_signum(const char *name)
|
||||
if (strcasecmp(name, signals[i]) == 0)
|
||||
return i;
|
||||
|
||||
#if ENABLE_DESKTOP && (defined(SIGIOT) || defined(SIGIO))
|
||||
#if ENABLE_DESKTOP
|
||||
# if defined(SIGIOT) || defined(SIGIO)
|
||||
/* SIGIO[T] are aliased to other names,
|
||||
* thus cannot be stored in the signals[] array.
|
||||
* Need special code to recognize them */
|
||||
@ -148,6 +156,30 @@ int FAST_FUNC get_signum(const char *name)
|
||||
return SIGIOT;
|
||||
# endif
|
||||
}
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#if ENABLE_FEATURE_RTMINMAX
|
||||
# if defined(SIGRTMIN) && defined(SIGRTMAX)
|
||||
if (strncasecmp(name, "RTMAX", 5) == 0) {
|
||||
if (!name[5])
|
||||
return SIGRTMAX;
|
||||
if (name[5] == '-') {
|
||||
i = bb_strtou(name + 6, NULL, 10);
|
||||
if (!errno && i <= SIGRTMAX - SIGRTMIN)
|
||||
return SIGRTMAX - i;
|
||||
}
|
||||
}
|
||||
if (strncasecmp(name, "RTMIN", 5) == 0) {
|
||||
if (!name[5])
|
||||
return SIGRTMIN;
|
||||
if (name[5] == '+') {
|
||||
i = bb_strtou(name + 6, NULL, 10);
|
||||
if (!errno && i <= SIGRTMAX - SIGRTMIN)
|
||||
return SIGRTMIN + i;
|
||||
}
|
||||
}
|
||||
# endif
|
||||
#endif
|
||||
|
||||
return -1;
|
||||
|
Loading…
Reference in New Issue
Block a user