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Userland: Make killall accept signal names as well

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Use getsignalbyname() to support killall -HUP foo, and such things.
This commit is contained in:
Andreas Kling 2020-10-29 11:49:47 +01:00
parent ad0295d033
commit ffd1e4831e
1 changed files with 13 additions and 2 deletions
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15
Userland/killall.cpp
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@ -26,6 +26,7 @@
#include <AK/String.h>
#include <LibCore/ProcessStatisticsReader.h>
#include <ctype.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
@ -66,9 +67,19 @@ int main(int argc, char** argv)
if (argv[1][0] != '-')
print_usage_and_exit();
auto number = String(&argv[1][1]).to_uint();
Optional<unsigned> number;
if (isalpha(argv[1][1])) {
int value = getsignalbyname(&argv[1][1]);
if (value >= 0 && value < NSIG)
number = value;
}
if (!number.has_value())
number = String(&argv[1][1]).to_uint();
if (!number.has_value()) {
printf("'%s' is not a valid signal number\n", &argv[1][1]);
printf("'%s' is not a valid signal name or number\n", &argv[1][1]);
return 2;
}
signum = number.value();