#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
+#include <signal.h>
typedef uint64_t usec_t;
bool path_is_absolute(const char *p);
char *path_make_absolute(const char *p, const char *prefix);
char *path_make_absolute_cwd(const char *p);
+
char **strv_path_make_absolute_cwd(char **l);
+char **strv_path_canonicalize(char **l);
int reset_all_signal_handlers(void);
int flush_fd(int fd);
-int ignore_signal(int sig);
+int ignore_signals(int sig, ...);
+int default_signals(int sig, ...);
+int sigaction_many(const struct sigaction *sa, ...);
int close_pipe(int p[]);