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LibCore: Add waitpid() wrapper that return ErrorOr<pid_t>

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Kenneth Myhra 2021-12-13 18:43:39 +01:00 committed by Brian Gianforcaro
parent 123e49994d
commit 11578c623c
Notes: sideshowbarker 2024-07-17 22:43:52 +09:00 
Author: https://github.com/kennethmyhra
Commit: https://github.com/SerenityOS/serenity/commit/11578c623c3
Pull-request: https://github.com/SerenityOS/serenity/pull/11253
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/bgianfo ✅
2 changed files with 10 additions and 0 deletions
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8
Userland/Libraries/LibCore/System.cpp
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@ -380,4 +380,12 @@ ErrorOr<pid_t> posix_spawnp(StringView const path, posix_spawn_file_actions_t* c
return child_pid;
}
ErrorOr<pid_t> waitpid(pid_t waitee, int* wstatus, int options)
{
pid_t pid = ::waitpid(waitee, wstatus, options);
if (pid < 0)
return Error::from_syscall("waitpid"sv, -errno);
return pid;
}
}

2
Userland/Libraries/LibCore/System.h
View file

@ -13,6 +13,7 @@
#include <signal.h>
#include <spawn.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
@ -53,5 +54,6 @@ ErrorOr<struct passwd> getpwnam(StringView name);
ErrorOr<struct group> getgrnam(StringView name);
ErrorOr<void> clock_settime(clockid_t clock_id, struct timespec* ts);
ErrorOr<pid_t> posix_spawnp(StringView const path, posix_spawn_file_actions_t* const file_actions, posix_spawnattr_t* const attr, char* const arguments[], char* const envp[]);
ErrorOr<pid_t> waitpid(pid_t waitee, int* wstatus, int options);
}