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authorGravatar Eric Andersen <andersen@codepoet.org>2001-08-02 05:02:46 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2001-08-02 05:02:46 +0000
commit34506361697643277042fc8d7294bc17a27d4e28 (patch)
treebf2c45a12020be4e0a37547abb50c40c0074e8ec /procps
parent2d91deba45d5a284614e06cc55e2be03599ca26d (diff)
downloadbusybox-34506361697643277042fc8d7294bc17a27d4e28.tar.gz
busybox-34506361697643277042fc8d7294bc17a27d4e28.tar.bz2
Latest patch from vodz. Adds a check for divide by zero in the posix
math suport, cleaner math syntax error checking, moves redundant signal string tables (from kill and ash) into libbb and provides a few cleanups elsewhere.
Diffstat (limited to 'procps')
-rw-r--r--procps/kill.c142
1 files changed, 19 insertions, 123 deletions
diff --git a/procps/kill.c b/procps/kill.c
index 34cbc4d6a..3884ebdf4 100644
--- a/procps/kill.c
+++ b/procps/kill.c
@@ -34,96 +34,11 @@
static const int KILL = 0;
static const int KILLALL = 1;
-struct signal_name {
- const char *name;
- int number;
-};
-
-static const struct signal_name signames[] = {
- /* POSIX signals */
- { "HUP", SIGHUP }, /* 1 */
- { "INT", SIGINT }, /* 2 */
- { "QUIT", SIGQUIT }, /* 3 */
- { "ILL", SIGILL }, /* 4 */
- { "ABRT", SIGABRT }, /* 6 */
- { "FPE", SIGFPE }, /* 8 */
- { "KILL", SIGKILL }, /* 9 */
- { "SEGV", SIGSEGV }, /* 11 */
- { "PIPE", SIGPIPE }, /* 13 */
- { "ALRM", SIGALRM }, /* 14 */
- { "TERM", SIGTERM }, /* 15 */
- { "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */
- { "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */
- { "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */
- { "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */
- { "STOP", SIGSTOP }, /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */
- { "TSTP", SIGTSTP }, /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */
- { "TTIN", SIGTTIN }, /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */
- { "TTOU", SIGTTOU }, /* 22 (arm,i386,m68k,ppc,alpha,sparc*), 27 (mips) */
- /* Miscellaneous other signals */
-#ifdef SIGTRAP
- { "TRAP", SIGTRAP }, /* 5 */
-#endif
-#ifdef SIGIOT
- { "IOT", SIGIOT }, /* 6, same as SIGABRT */
-#endif
-#ifdef SIGEMT
- { "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */
-#endif
-#ifdef SIGBUS
- { "BUS", SIGBUS }, /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */
-#endif
-#ifdef SIGSYS
- { "SYS", SIGSYS }, /* 12 (mips,alpha,sparc*) */
-#endif
-#ifdef SIGSTKFLT
- { "STKFLT", SIGSTKFLT }, /* 16 (arm,i386,m68k,ppc) */
-#endif
-#ifdef SIGURG
- { "URG", SIGURG }, /* 23 (arm,i386,m68k,ppc), 16 (alpha,sparc*), 21 (mips) */
-#endif
-#ifdef SIGIO
- { "IO", SIGIO }, /* 29 (arm,i386,m68k,ppc), 23 (alpha,sparc*), 22 (mips) */
-#endif
-#ifdef SIGPOLL
- { "POLL", SIGPOLL }, /* same as SIGIO */
-#endif
-#ifdef SIGCLD
- { "CLD", SIGCLD }, /* same as SIGCHLD (mips) */
-#endif
-#ifdef SIGXCPU
- { "XCPU", SIGXCPU }, /* 24 (arm,i386,m68k,ppc,alpha,sparc*), 30 (mips) */
-#endif
-#ifdef SIGXFSZ
- { "XFSZ", SIGXFSZ }, /* 25 (arm,i386,m68k,ppc,alpha,sparc*), 31 (mips) */
-#endif
-#ifdef SIGVTALRM
- { "VTALRM", SIGVTALRM }, /* 26 (arm,i386,m68k,ppc,alpha,sparc*), 28 (mips) */
-#endif
-#ifdef SIGPROF
- { "PROF", SIGPROF }, /* 27 (arm,i386,m68k,ppc,alpha,sparc*), 29 (mips) */
-#endif
-#ifdef SIGPWR
- { "PWR", SIGPWR }, /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */
-#endif
-#ifdef SIGINFO
- { "INFO", SIGINFO }, /* 29 (alpha) */
-#endif
-#ifdef SIGLOST
- { "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */
-#endif
-#ifdef SIGWINCH
- { "WINCH", SIGWINCH }, /* 28 (arm,i386,m68k,ppc,alpha,sparc*), 20 (mips) */
-#endif
-#ifdef SIGUNUSED
- { "UNUSED", SIGUNUSED }, /* 31 (arm,i386,m68k,ppc) */
-#endif
- {0, 0}
-};
extern int kill_main(int argc, char **argv)
{
int whichApp, sig = SIGTERM;
+ const char *name;
#ifdef BB_KILLALL
/* Figure out what we are trying to do here */
@@ -142,52 +57,37 @@ extern int kill_main(int argc, char **argv)
while (*++(*argv)) {
switch (**argv) {
case 'l':
- {
+ if(argc>1) {
+ for(argv++; *argv; argv++) {
+ name = u_signal_names(*argv, &sig, -1);
+ if(name!=NULL)
+ printf("%s\n", name);
+ }
+ } else {
int col = 0;
- const struct signal_name *s = signames;
-
- while (s->name != 0) {
- col += fprintf(stderr, "%2d) %-8s", s->number, s->name);
- s++;
+ for(sig=1; sig < NSIG; sig++) {
+ name = u_signal_names(0, &sig, 1);
+ if(name==NULL) /* unnamed */
+ continue;
+ col += printf("%2d) %-16s", sig, name);
if (col > 60) {
- fprintf(stderr, "\n");
+ printf("\n");
col = 0;
}
}
- fprintf(stderr, "\n\n");
- return EXIT_SUCCESS;
+ printf("\n");
}
- break;
+ return EXIT_SUCCESS;
case '-':
show_usage();
default:
- {
- if (isdigit(**argv)) {
- sig = atoi(*argv);
- if (sig < 0 || sig >= NSIG)
- goto end;
- else {
- argc--;
- argv++;
- goto do_it_now;
- }
- } else {
- const struct signal_name *s = signames;
-
- while (s->name != 0) {
- if (strcasecmp(s->name, *argv) == 0) {
- sig = s->number;
+ name = u_signal_names(*argv, &sig, 0);
+ if(name==NULL)
+ error_msg_and_die( "bad signal name: %s", *argv);
argc--;
argv++;
goto do_it_now;
}
- s++;
- }
- if (s->name == 0)
- goto end;
- }
- }
- }
argc--;
argv++;
}
@@ -239,8 +139,4 @@ extern int kill_main(int argc, char **argv)
#endif
return EXIT_SUCCESS;
-
-
- end:
- error_msg_and_die( "bad signal name: %s", *argv);
}