platform: support long process names on linux
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@ -46,41 +46,82 @@
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#include <time.h>
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#endif
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extern char **environ;
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namespace node {
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using namespace v8;
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static char buf[MAXPATHLEN + 1];
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static char *process_title;
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double Platform::prog_start_time = Platform::GetUptime();
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static struct {
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char *str;
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size_t len;
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} process_title;
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char** Platform::SetupArgs(int argc, char *argv[]) {
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process_title = strdup(argv[0]);
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return argv;
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char **new_argv;
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char **new_env;
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size_t size;
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int envc;
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char *s;
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int i;
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for (envc = 0; environ[envc]; envc++);
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s = envc ? environ[envc - 1] : argv[argc - 1];
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process_title.str = argv[0];
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process_title.len = s + strlen(s) + 1 - argv[0];
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size = process_title.len;
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size += (argc + 1) * sizeof(char **);
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size += (envc + 1) * sizeof(char **);
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if ((s = (char *) malloc(size)) == NULL) {
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process_title.str = NULL;
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process_title.len = 0;
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return argv;
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}
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new_argv = (char **) s;
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new_env = new_argv + argc + 1;
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s = (char *) (new_env + envc + 1);
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memcpy(s, process_title.str, process_title.len);
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for (i = 0; i < argc; i++)
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new_argv[i] = s + (argv[i] - argv[0]);
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new_argv[argc] = NULL;
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s += environ[0] - argv[0];
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for (i = 0; i < envc; i++)
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new_env[i] = s + (environ[i] - environ[0]);
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new_env[envc] = NULL;
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environ = new_env;
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return new_argv;
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}
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void Platform::SetProcessTitle(char *title) {
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#ifdef PR_SET_NAME
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if (process_title) free(process_title);
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process_title = strdup(title);
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prctl(PR_SET_NAME, process_title);
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#else
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Local<Value> ex = Exception::Error(
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String::New("'process.title' is not writable on your system, sorry."));
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ThrowException(ex); // Safe, this method is only called from the main thread.
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#endif
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/* No need to terminate, last char is always '\0'. */
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if (process_title.len)
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strncpy(process_title.str, title, process_title.len - 1);
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}
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const char* Platform::GetProcessTitle(int *len) {
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if (process_title) {
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*len = strlen(process_title);
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return process_title;
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if (process_title.str) {
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*len = strlen(process_title.str);
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return process_title.str;
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}
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else {
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*len = 0;
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return NULL;
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}
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*len = 0;
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return NULL;
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}
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