20 #include <stdbool.h>
21 #include <sys/types.h>
22 #include <string.h>
23 #include <stdio.h>
24 #include <assert.h>
25 #include <errno.h>
26 #include <unistd.h>
27 #include <sys/wait.h>
28 #include <signal.h>
29 #include <ctype.h>
31 #include "process-util.h"
32 #include "fileio.h"
33 #include "util.h"
34 #include "log.h"
36 int get_process_comm(pid_t pid, char **name) {  in get_process_comm()  argument
41         assert(pid >= 0);  in get_process_comm()
43         p = procfs_file_alloca(pid, "comm");  in get_process_comm()
46         if (r == -ENOENT)  in get_process_comm()
47                 return -ESRCH;  in get_process_comm()
52 int get_process_cmdline(pid_t pid, size_t max_length, bool comm_fallback, char **line) {  in get_process_cmdline()  argument
59         assert(pid >= 0);  in get_process_cmdline()
61         p = procfs_file_alloca(pid, "cmdline");  in get_process_cmdline()
65                 return -errno;  in get_process_cmdline()
74                                 return -ENOMEM;  in get_process_cmdline()
81                         r[len-1] = 0;  in get_process_cmdline()
89                         return -ENOMEM;  in get_process_cmdline()
101                                         left--;  in get_process_cmdline()
109                                 left--;  in get_process_cmdline()
115                         size_t n = MIN(left-1, 3U);  in get_process_cmdline()
130                         return -ENOENT;  in get_process_cmdline()
132                 h = get_process_comm(pid, &t);  in get_process_cmdline()
138                         return -ENOMEM;  in get_process_cmdline()
145 int get_process_environ(pid_t pid, char **env) {  in get_process_environ()  argument
152         assert(pid >= 0);  in get_process_environ()
155         p = procfs_file_alloca(pid, "environ");  in get_process_environ()
159                 return -errno;  in get_process_environ()
163                         return -ENOMEM;  in get_process_environ()