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LibCore: Add posix_spawn() wrapper to Core::System

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MacDue 2022-05-11 20:24:39 +01:00 • committed by Linus Groh
parent 5a24accfa7
commit 0295d79339
2 changed files with 15 additions and 4 deletions
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16
Userland/Libraries/LibCore/System.cpp
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@ -661,14 +661,24 @@ ErrorOr<void> clock_settime(clockid_t clock_id, struct timespec* ts)
#endif #endif
} }
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[]) static ALWAYS_INLINE ErrorOr<pid_t> posix_spawn_wrapper(StringView path, posix_spawn_file_actions_t const* file_actions, posix_spawnattr_t const* attr, char* const arguments[], char* const envp[], StringView function_name, decltype(::posix_spawn) spawn_function)
{ {
pid_t child_pid; pid_t child_pid;
if ((errno = ::posix_spawnp(&child_pid, path.to_string().characters(), file_actions, attr, arguments, envp))) if ((errno = spawn_function(&child_pid, path.to_string().characters(), file_actions, attr, arguments, envp)))
return Error::from_syscall("posix_spawnp"sv, -errno); return Error::from_syscall(function_name, -errno);
return child_pid; return child_pid;
} }
ErrorOr<pid_t> posix_spawn(StringView path, posix_spawn_file_actions_t const* file_actions, posix_spawnattr_t const* attr, char* const arguments[], char* const envp[])
{
return posix_spawn_wrapper(path, file_actions, attr, arguments, envp, "posix_spawn"sv, ::posix_spawn);
}
ErrorOr<pid_t> posix_spawnp(StringView path, posix_spawn_file_actions_t* const file_actions, posix_spawnattr_t* const attr, char* const arguments[], char* const envp[])
{
return posix_spawn_wrapper(path, file_actions, attr, arguments, envp, "posix_spawnp"sv, ::posix_spawnp);
}
ErrorOr<off_t> lseek(int fd, off_t offset, int whence) ErrorOr<off_t> lseek(int fd, off_t offset, int whence)
{ {
off_t rc = ::lseek(fd, offset, whence); off_t rc = ::lseek(fd, offset, whence);

3
Userland/Libraries/LibCore/System.h
View file

@ -97,7 +97,8 @@ ErrorOr<Optional<struct group>> getgrnam(StringView name);
ErrorOr<Optional<struct passwd>> getpwuid(uid_t); ErrorOr<Optional<struct passwd>> getpwuid(uid_t);
ErrorOr<Optional<struct group>> getgrgid(gid_t); ErrorOr<Optional<struct group>> getgrgid(gid_t);
ErrorOr<void> clock_settime(clockid_t clock_id, struct timespec* ts); 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> posix_spawn(StringView path, posix_spawn_file_actions_t const* file_actions, posix_spawnattr_t const* attr, char* const arguments[], char* const envp[]);
ErrorOr<pid_t> posix_spawnp(StringView path, posix_spawn_file_actions_t* const file_actions, posix_spawnattr_t* const attr, char* const arguments[], char* const envp[]);
ErrorOr<off_t> lseek(int fd, off_t, int whence); ErrorOr<off_t> lseek(int fd, off_t, int whence);
struct WaitPidResult { struct WaitPidResult {