bsd-proctitle.c File Reference

#include "uv.h"
#include "internal.h"
#include <sys/types.h>
#include <unistd.h>

Go to the source code of this file.

Functions
static void	init_process_title_mutex_once (void)
void	uv__process_title_cleanup (void)
char **	uv_setup_args (int argc, char **argv)
int	uv_set_process_title (const char *title)
int	uv_get_process_title (char *buffer, size_t size)

Variables
static uv_mutex_t	process_title_mutex
static uv_once_t	process_title_mutex_once = UV_ONCE_INIT
static char *	process_title

Function Documentation

init_process_title_mutex_once()

static void init_process_title_mutex_once ( void  )

static

Definition at line 34 of file bsd-proctitle.c.

                                                {
  if (uv_mutex_init(&process_title_mutex))
    abort();
}

References process_title_mutex, and uv_mutex_init().

Referenced by uv_get_process_title(), and uv_set_process_title().

uv__process_title_cleanup()

void uv__process_title_cleanup

(

void

)

Definition at line 40 of file bsd-proctitle.c.

                                     {
  /* TODO(bnoordhuis) uv_mutex_destroy(&process_title_mutex)
   * and reset process_title_mutex_once?
   */
}

uv_get_process_title()

int uv_get_process_title	(	char *	buffer,
		size_t	size
	)

Definition at line 73 of file bsd-proctitle.c.

                                                    {
  size_t len;
 
  if (buffer == NULL || size == 0)
    return UV_EINVAL;
 
  uv_once(&process_title_mutex_once, init_process_title_mutex_once);
  uv_mutex_lock(&process_title_mutex);
 
  if (process_title != NULL) {
    len = strlen(process_title) + 1;
 
    if (size < len) {
      uv_mutex_unlock(&process_title_mutex);
      return UV_ENOBUFS;
    }
 
    memcpy(buffer, process_title, len);
  } else {
    len = 0;
  }
 
  uv_mutex_unlock(&process_title_mutex);
 
  buffer[len] = '\0';
 
  return 0;
}

References init_process_title_mutex_once(), len, memcpy(), NULL, process_title, process_title_mutex, process_title_mutex_once, uv_mutex_lock(), uv_mutex_unlock(), and uv_once().

uv_set_process_title()

int uv_set_process_title

(

const char *

title

)

Definition at line 53 of file bsd-proctitle.c.

                                            {
  char* new_title;
 
  new_title = uv__strdup(title);
  if (new_title == NULL)
    return UV_ENOMEM;
 
  uv_once(&process_title_mutex_once, init_process_title_mutex_once);
  uv_mutex_lock(&process_title_mutex);
 
  uv__free(process_title);
  process_title = new_title;
  setproctitle("%s", title);
 
  uv_mutex_unlock(&process_title_mutex);
 
  return 0;
}

References init_process_title_mutex_once(), NULL, process_title, process_title_mutex, process_title_mutex_once, setproctitle(), uv__free(), uv__strdup(), uv_mutex_lock(), uv_mutex_unlock(), and uv_once().

uv_setup_args()

char** uv_setup_args	(	int	argc,
		char **	argv
	)

Definition at line 47 of file bsd-proctitle.c.

                                            {
  process_title = argc > 0 ? uv__strdup(argv[0]) : NULL;
  return argv;
}

References argv, NULL, process_title, and uv__strdup().

Variable Documentation

process_title

char* process_title

static

Definition at line 31 of file bsd-proctitle.c.

Referenced by uv_get_process_title(), uv_set_process_title(), and uv_setup_args().

process_title_mutex

uv_mutex_t process_title_mutex

static

Definition at line 29 of file bsd-proctitle.c.

Referenced by init_process_title_mutex_once(), uv_get_process_title(), and uv_set_process_title().

process_title_mutex_once

uv_once_t process_title_mutex_once = UV_ONCE_INIT

static

Definition at line 30 of file bsd-proctitle.c.

Referenced by uv_get_process_title(), and uv_set_process_title().