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LibC: Move getsignalbyname() helper from Userland/kill into LibC

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This commit is contained in:
Andreas Kling 2020-10-29 11:49:24 +01:00
parent a6b2598fba
commit ad0295d033
3 changed files with 51 additions and 49 deletions
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50
Libraries/LibC/signal.cpp
View file

@ -30,6 +30,7 @@
#include <setjmp.h> #include <setjmp.h>
#include <signal.h> #include <signal.h>
#include <stdio.h> #include <stdio.h>
#include <string.h>
#include <unistd.h> #include <unistd.h>
extern "C" { extern "C" {
@ -186,4 +187,53 @@ int sigsuspend(const sigset_t*)
dbgprintf("FIXME: Implement sigsuspend()\n"); dbgprintf("FIXME: Implement sigsuspend()\n");
ASSERT_NOT_REACHED(); ASSERT_NOT_REACHED();
} }
static const char* signal_names[] = {
"INVAL",
"HUP",
"INT",
"QUIT",
"ILL",
"TRAP",
"ABRT",
"BUS",
"FPE",
"KILL",
"USR1",
"SEGV",
"USR2",
"PIPE",
"ALRM",
"TERM",
"STKFLT",
"CHLD",
"CONT",
"STOP",
"TSTP",
"TTIN",
"TTOU",
"URG",
"XCPU",
"XFSZ",
"VTALRM",
"PROF",
"WINCH",
"IO",
"INFO",
"SYS",
};
static_assert(sizeof(signal_names) == sizeof(const char*) * 32);
int getsignalbyname(const char* name)
{
ASSERT(name);
for (size_t i = 0; i < NSIG; ++i) {
auto* signal_name = signal_names[i];
if (!strcmp(signal_name, name))
return i;
}
errno = EINVAL;
return -1;
}
} }

1
Libraries/LibC/signal.h
View file

@ -75,6 +75,7 @@ int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);
int sigpending(sigset_t*); int sigpending(sigset_t*);
int sigsuspend(const sigset_t*); int sigsuspend(const sigset_t*);
int raise(int sig); int raise(int sig);
int getsignalbyname(const char*);
extern const char* sys_siglist[NSIG]; extern const char* sys_siglist[NSIG];

49
Userland/kill.cpp
View file

@ -39,55 +39,6 @@ static void print_usage_and_exit()
exit(1); exit(1);
} }
static const char* signal_names[] = {
"INVAL",
"HUP",
"INT",
"QUIT",
"ILL",
"TRAP",
"ABRT",
"BUS",
"FPE",
"KILL",
"USR1",
"SEGV",
"USR2",
"PIPE",
"ALRM",
"TERM",
"STKFLT",
"CHLD",
"CONT",
"STOP",
"TSTP",
"TTIN",
"TTOU",
"URG",
"XCPU",
"XFSZ",
"VTALRM",
"PROF",
"WINCH",
"IO",
"INFO",
"SYS"
};
static_assert(sizeof(signal_names) == sizeof(const char*) * 32);
int getsignalbyname(const char* name)
{
ASSERT(name);
for (size_t i = 0; i < NSIG; ++i) {
auto* signal_name = signal_names[i];
if (!strcmp(signal_name, name))
return i;
}
errno = EINVAL;
return -1;
}
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
if (pledge("stdio proc", nullptr) < 0) { if (pledge("stdio proc", nullptr) < 0) {