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Added support for command line arguments (glibtop_proc_args).

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This commit is contained in:
Martin Baulig
1999-04-03 17:07:09 +00:00
parent 885045ca55
commit 5b946cb261
3 changed files with 60 additions and 3 deletions
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5
sysdeps/kernel/glibtop_private.h
View File

@@ -69,6 +69,11 @@ glibtop_get_proc_data_proc_kernel_s (glibtop *server,
libgtop_proc_kernel_t *proc_kernel, libgtop_proc_kernel_t *proc_kernel,
pid_t pid); pid_t pid);
int
glibtop_get_proc_data_proc_args_s (glibtop *server, pid_t pid,
char *result, size_t max_len);
END_LIBGTOP_DECLS END_LIBGTOP_DECLS
#endif __GLIBTOP_PRIVATE_H__ #endif __GLIBTOP_PRIVATE_H__

43
sysdeps/kernel/procargs.c
View File

@@ -26,14 +26,17 @@
#include <glibtop/xmalloc.h> #include <glibtop/xmalloc.h>
#include <glibtop/procargs.h> #include <glibtop/procargs.h>
static const unsigned long _glibtop_sysdeps_proc_args = 0; #include <glibtop_private.h>
static const unsigned long _glibtop_sysdeps_proc_args =
(1 << GLIBTOP_PROC_ARGS_SIZE);
/* Init function. */ /* Init function. */
void void
glibtop_init_proc_args_s (glibtop *server) glibtop_init_proc_args_s (glibtop *server)
{ {
server->sysdeps.proc_args = _glibtop_sysdeps_proc_args; server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
} }
/* Provides detailed information about a process. */ /* Provides detailed information about a process. */
@@ -42,6 +45,40 @@ char *
glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf, glibtop_get_proc_args_s (glibtop *server, glibtop_proc_args *buf,
pid_t pid, unsigned max_len) pid_t pid, unsigned max_len)
{ {
memset (buf, 0, sizeof (glibtop_proc_args)); char buffer [BUFSIZ];
char *retval = NULL, *ptr;
size_t total;
int ret;
memset (buf, 0, sizeof (glibtop_proc_args));
if (max_len > BUFSIZ)
retval = ptr = glibtop_malloc_r (server, max_len+1);
else
ptr = buffer;
if (!max_len)
max_len = BUFSIZ;
ret = glibtop_get_proc_data_proc_args_s (server, pid, ptr, max_len);
if (!ret) {
if (!retval) glibtop_free_r (server, retval);
return NULL; return NULL;
}
total = ret;
if (retval) {
retval = glibtop_realloc_r (server, retval, total+1);
} else {
retval = glibtop_malloc_r (server, total+1);
memcpy (retval, buffer, total);
}
retval [total] = 0;
buf->size = total;
buf->flags = _glibtop_sysdeps_proc_args;
return retval;
} }

15
sysdeps/kernel/procdata.c
View File

@@ -146,3 +146,18 @@ glibtop_get_proc_data_proc_kernel_s (glibtop *server,
return 0; return 0;
} }
int
glibtop_get_proc_data_proc_args_s (glibtop *server, pid_t pid,
char *result, size_t max_len)
{
int name [3] = { CTL_LIBGTOP, LIBGTOP_PROC_ARGS, pid };
size_t size = max_len;
if (sysctl (name, 3, result, &size, NULL, 0)) {
glibtop_warn_io_r (server, "sysctl (libgtop/proc_args)");
return -1;
}
return size;
}