proc.c revision 504a385858a49352bcfceca444ba4f1a7bfd20cd 
1#if HAVE_CONFIG_H
2#include "config.h"
3#endif
4
5#include <sys/types.h>
6#include <string.h>
7#include <stdio.h>
8#include <errno.h>
9#include <stdlib.h>
10
11#include "ltrace.h"
12#include "options.h"
13#include "elf.h"
14
15struct process *
16open_program(char * filename) {
17	struct process * proc;
18	proc = malloc(sizeof(struct process));
19	if (!proc) {
20		perror("malloc");
21		exit(1);
22	}
23	proc->filename = filename;
24	proc->pid = 0;
25	proc->breakpoints = NULL;
26	proc->breakpoints_enabled = -1;
27	proc->callstack_depth = 0;
28	proc->breakpoint_being_enabled = NULL;
29	breakpoints_init(proc);
30	proc->next = NULL;
31
32	proc->next = list_of_processes;
33	list_of_processes = proc;
34	return proc;
35}
36
37void
38open_pid(pid_t pid, int verbose) {
39	struct process * proc;
40	char * filename;
41
42	if (trace_pid(pid)<0) {
43		fprintf(stderr, "Cannot attach to pid %u: %s\n", pid, strerror(errno));
44		return;
45	}
46
47	filename = pid2name(pid);
48
49#if 0
50	if (!filename) {
51		if (verbose) {
52			fprintf(stderr, "Cannot trace pid %u: %s\n", pid, strerror(errno));
53		}
54		return;
55	}
56#endif
57
58	proc = open_program(filename);
59	proc->pid = pid;
60}
61