JehanneOS/jehanne
1
0
Fork 0
Code Issues Pull Requests Projects Releases Activity

libposix: introduce POSIX_signal_execute and PosixSignalDisposition enum

Browse Source
This commit is contained in:
Giacomo Tesio
2017-05-03 01:14:53 +02:00
parent 47573e2122
commit bd5063666f
2 changed files with 104 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
sys/include/posix.h
View File

@ -32,6 +32,7 @@
typedef unsigned long clock_t;
#define __POSIX_EXIT_PREFIX "posix error "
#define __POSIX_EXIT_SIGNAL_PREFIX "terminated by posix signal "
#define __POSIX_SIGNAL_PREFIX "posix: "
extern void POSIX_exit(int code) __attribute__((noreturn));
@ -63,6 +64,22 @@ extern void POSIX_free(void *ptr);
extern unsigned int POSIX_sleep(unsigned int seconds);
extern int POSIX_pipe(int *errnop, int fildes[2]);
typedef enum PosixSignalDisposition
{
SignalHandled = 0, /* the application handled the signal */
TerminateTheProcess,
TerminateTheProcessAndCoreDump,
StopTheProcess,
ResumeTheProcess
} PosixSignalDisposition;
/* Executes a PosixSignalDisposition for pid.
*
* MUST be called instead of POSIX_kill for unblockable signals.
*/
extern int POSIX_signal_execute(int sig, PosixSignalDisposition action, int pid);
/* Library initialization
*/
#define _ERRNO_H // skip the Posix part, we just need the enum
@ -164,7 +181,7 @@ extern int libposix_translate_exit_status(PosixExitStatusTranslator translator);
/* Dispatch the signal to the registered handlers.
*/
typedef int (*PosixSignalTrampoline)(int signal);
typedef PosixSignalDisposition (*PosixSignalTrampoline)(int signal);
extern int libposix_set_signal_trampoline(PosixSignalTrampoline trampoline);