37#define compat_init_setproctitle ruby_init_setproctitle
38RUBY_FUNC_EXPORTED
void ruby_init_setproctitle(
int argc,
char *argv[]);
40#ifndef HAVE_SETPROCTITLE
47#ifdef HAVE_SYS_PSTAT_H
53# ifdef HAVE_CRT_EXTERNS_H
54# include <crt_externs.h>
56# define environ (*_NSGetEnviron())
58# include "crt_externs.h"
64#define SPT_REUSEARGV 2
67# define SPT_TYPE SPT_NONE
71# define SPT_PADCHAR '\0'
74#if SPT_TYPE == SPT_REUSEARGV
75static char *argv_start = NULL;
76static size_t argv_env_len = 0;
77static size_t argv_len = 0;
78static char **argv1_addr = NULL;
84compat_init_setproctitle(
int argc,
char *argv[])
86#if defined(SPT_TYPE) && SPT_TYPE == SPT_REUSEARGV
87 extern char **environ;
88 char *lastargv = NULL;
89 char *lastenvp = NULL;
90 char **envp = environ;
99 if (argc == 0 || argv[0] == NULL)
103 for (i = 0; envp[i] != NULL; i++)
105 if ((environ = calloc(i + 1,
sizeof(*environ))) == NULL) {
114 for (i = 0; i < argc; i++) {
115 if (lastargv == NULL || lastargv + 1 == argv[i])
116 lastargv = argv[i] + strlen(argv[i]);
119 for (i = 0; envp[i] != NULL; i++) {
120 if (lastenvp + 1 == envp[i])
121 lastenvp = envp[i] + strlen(envp[i]);
126 argv1_addr = &argv[1];
127 argv_start = argv[0];
128 argv_len = lastargv - argv[0];
129 argv_env_len = lastenvp - argv[0];
131 for (i = 0; envp[i] != NULL; i++)
137#ifndef HAVE_SETPROCTITLE
140setproctitle(
const char *fmt, ...)
142#if SPT_TYPE != SPT_NONE
147#if SPT_TYPE == SPT_PSTAT
151#if SPT_TYPE == SPT_REUSEARGV
152 if (argv_env_len <= 0)
158 vsnprintf(ptitle,
sizeof(ptitle), fmt, ap);
161#if SPT_TYPE == SPT_PSTAT
162 pst.pst_command = ptitle;
163 pstat(PSTAT_SETCMD, pst, strlen(ptitle), 0, 0);
164#elif SPT_TYPE == SPT_REUSEARGV
165 len = strlcpy(argv_start, ptitle, argv_env_len);
166 argvlen =
len > argv_len ? argv_env_len : argv_len;
167 for(;
len < argvlen;
len++)
168 argv_start[
len] = SPT_PADCHAR;
int len
Length of the buffer.
char * ruby_strdup(const char *str)
This is our own version of strdup(3) that uses ruby_xmalloc() instead of system malloc (benefits our ...