polybar-dwm/include/utils/proc.hpp
2016-05-19 20:23:45 +02:00

48 lines
1.1 KiB
C++

#ifndef _UTILS_PROC_HPP_
#define _UTILS_PROC_HPP_
#include <string>
#include <errno.h>
#include <cstring>
#include <signal.h>
#include "exception.hpp"
#define PIPE_READ 0
#define PIPE_WRITE 1
#define STRERRNO std::string(std::strerror(errno))
#define STRERRNO_VAL(s) std::string(std::strerror(s))
#define SIGCSTR(sig) strsignal(sig)
#define SIGNSTR(sig) std::to_string(sig)
#define SIGSTR(sig) std::string(SIGCSTR(sig))
namespace proc
{
class ExecFailure : public Exception {
using Exception::Exception;
};
pid_t get_process_id();
pid_t get_parent_process_id();
bool in_parent_process(pid_t pid);
bool in_forked_process(pid_t pid);
pid_t fork();
bool pipe(int fds[2]);
void exec(const std::string& cmd) throw(ExecFailure);
bool kill(pid_t pid, int sig = SIGTERM);
pid_t wait(int *status);
pid_t wait_for_completion(pid_t pid, int *status, int options = 0);
pid_t wait_for_completion(int *status, int options = 0);
pid_t wait_for_completion_nohang(pid_t pid, int *status);
pid_t wait_for_completion_nohang(int *status);
pid_t wait_for_completion_nohang();
}
#endif