emo/procps
1
0
Fork 0
Code Issues Pull Requests Packages Releases Activity

Merge branch 'jrtc27/procps-cross-platform'

Browse Source
This commit is contained in:
Craig Small 2017-12-23 17:50:03 +11:00
commit cc6bade6d8
1 changed files with 28 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
proc/sig.c
View File

@ -34,8 +34,10 @@
* You get SIGSTKFLT and SIGUNUSED instead on i386, m68k, ppc, and arm. * You get SIGSTKFLT and SIGUNUSED instead on i386, m68k, ppc, and arm.
* (this is a Linux & libc bug -- both must be fixed) * (this is a Linux & libc bug -- both must be fixed)
* *
* Total garbage: SIGIO SIGINFO SIGIOT SIGLOST SIGCLD * Total garbage: SIGIO SIGINFO SIGIOT SIGCLD
* (popular ones are handled as aliases) * (popular ones are handled as aliases)
* SIGLOST
* (except on the Hurd; reused to mean a server died)
* Nearly garbage: SIGSTKFLT SIGUNUSED (nothing else to fill slots) * Nearly garbage: SIGSTKFLT SIGUNUSED (nothing else to fill slots)
*/ */
@ -50,6 +52,10 @@
# undef SIGSTKFLT # undef SIGSTKFLT
#endif #endif
#if !defined(__GNU__) && defined(SIGLOST)
# undef SIGLOST
#endif
#ifndef SIGRTMIN #ifndef SIGRTMIN
# warning Standards require that <signal.h> define SIGRTMIN; assuming 32 # warning Standards require that <signal.h> define SIGRTMIN; assuming 32
# define SIGRTMIN 32 # define SIGRTMIN 32
@ -81,6 +87,9 @@ static const mapstruct sigtable[] = {
{"ILL", SIGILL}, {"ILL", SIGILL},
{"INT", SIGINT}, {"INT", SIGINT},
{"KILL", SIGKILL}, {"KILL", SIGKILL},
#ifdef SIGLOST
{"LOST", SIGLOST}, /* Hurd-specific */
#endif
{"PIPE", SIGPIPE}, {"PIPE", SIGPIPE},
{"POLL", SIGPOLL}, /* IO */ {"POLL", SIGPOLL}, /* IO */
{"PROF", SIGPROF}, {"PROF", SIGPROF},
@ -108,7 +117,24 @@ static const mapstruct sigtable[] = {
{"XFSZ", SIGXFSZ} {"XFSZ", SIGXFSZ}
}; };
static const int number_of_signals = sizeof(sigtable)/sizeof(mapstruct); #define number_of_signals (sizeof(sigtable)/sizeof(mapstruct))
#define XJOIN(a, b) JOIN(a, b)
#define JOIN(a, b) a##b
#define STATIC_ASSERT(x) typedef int XJOIN(static_assert_on_line_,__LINE__)[(x) ? 1 : -1]
/* sanity check */
#if defined(__linux__)
STATIC_ASSERT(number_of_signals == 31);
#elif defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
STATIC_ASSERT(number_of_signals == 30);
#elif defined(__GNU__)
STATIC_ASSERT(number_of_signals == 31);
#elif defined(__CYGWIN__)
STATIC_ASSERT(number_of_signals == 31);
#else
# warning Unknown operating system; assuming number_of_signals is correct
#endif
static int compare_signal_names(const void *a, const void *b){ static int compare_signal_names(const void *a, const void *b){
return strcasecmp( ((const mapstruct*)a)->name, ((const mapstruct*)b)->name ); return strcasecmp( ((const mapstruct*)a)->name, ((const mapstruct*)b)->name );
@ -285,12 +311,3 @@ void unix_print_signals(void){
} }
printf("\n"); printf("\n");
} }
/* sanity check */
static int init_signal_list(void) __attribute__((constructor));
static int init_signal_list(void){
if(number_of_signals != 31){
fprintf(stderr, "WARNING: %d signals -- adjust and recompile.\n", number_of_signals);
}
return 0;
}