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GMountOperation on OpenBSD: remove the need for kvm(3)

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kvm(3) is considered a deprecated interface, so make
GMountOperation::show-processes use the recommended sysctl(3) interface
instead. This also removes the need to link with libkvm.

https://bugzilla.gnome.org/show_bug.cgi?id=661835
This commit is contained in:
Antoine Jacoutot
2011-10-15 11:27:47 +02:00
parent b7562090b3
commit d987a01d80
2 changed files with 32 additions and 42 deletions
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68
gtk/gtkmountoperation-x11.c
View File

@ -43,8 +43,8 @@
#include <errno.h>
#if defined(__OpenBSD__)
#include <stdlib.h>
#include <sys/param.h>
#include <kvm.h>
#include <fcntl.h>
#include <sys/sysctl.h>
#endif
@ -726,46 +726,44 @@ pid_get_command_line (GPid pid)
static GPid
pid_get_parent (GPid pid)
{
struct kinfo_proc *proc;
int count;
kvm_t *kvm;
GPid ppid = 0;
struct kinfo_proc kp;
size_t len;
GPid ppid;
kvm = kvm_openfiles (NULL, NULL, NULL, KVM_NO_FILES, NULL);
if (kvm == NULL)
return 0;
int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, pid,
sizeof(struct kinfo_proc), 0 };
proc = kvm_getprocs (kvm, KERN_PROC_PID, pid, sizeof(struct kinfo_proc), &count);
if (count == 1)
ppid = proc->p_ppid;
if (sysctl(mib, nitems(mib), NULL, &len, NULL, 0) == -1)
return (-1);
mib[5] = (len / sizeof(struct kinfo_proc));
if (sysctl(mib, nitems(mib), &kp, &len, NULL, 0) < 0)
return -1;
ppid = kp.p_ppid;
kvm_close (kvm);
return ppid;
}
static gchar *
pid_get_env (GPid pid, const gchar *key)
{
kvm_t *kvm;
struct kinfo_proc *proc;
char **strs;
size_t len = PATH_MAX;
char **strs = NULL;
char *ret;
char *end;
int key_len;
int count;
int i;
kvm = kvm_openfiles (NULL, NULL, NULL, KVM_NO_FILES, NULL);
if (kvm == NULL)
return NULL;
int mib[] = { CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_ENV };
strs = (char **)realloc(strs, len);
key_len = strlen (key);
ret = NULL;
proc = kvm_getprocs (kvm, KERN_PROC_PID, pid, sizeof(struct kinfo_proc), &count);
if (proc != NULL)
if (sysctl(mib, nitems(mib), strs, &len, NULL, 0) != -1)
{
strs = kvm_getenvv (kvm, proc, 0);
for (i = 0; strs[i] != NULL; i++)
{
if (g_str_has_prefix (strs[i], key) && (*(strs[i] + key_len) == '='))
@ -780,35 +778,33 @@ pid_get_env (GPid pid, const gchar *key)
}
}
kvm_close (kvm);
g_free (strs);
return ret;
}
static gchar *
pid_get_command_line (GPid pid)
{
kvm_t *kvm;
struct kinfo_proc *proc;
int count;
char **strs;
char *ret;
size_t len = PATH_MAX;
char **strs = NULL;
char *ret = NULL;
char *end;
kvm = kvm_openfiles (NULL, NULL, NULL, KVM_NO_FILES, NULL);
if (kvm == NULL)
return NULL;
int mib[] = { CTL_KERN, KERN_PROC_ARGS, pid, KERN_PROC_ARGV };
proc = kvm_getprocs (kvm, KERN_PROC_PID, pid, sizeof (struct kinfo_proc), &count);
if (proc == NULL)
return NULL;
strs = (char **)realloc(strs, len);
if (sysctl(mib, nitems(mib), strs, &len, NULL, 0) == -1) {
g_free (strs);
return ret;
}
strs = kvm_getargv (kvm, proc, 0);
ret = g_strjoinv (" ", strs);
/* skip invalid UTF-8 */
if (!g_utf8_validate (ret, -1, (const gchar **) &end))
*end = '\0';
kvm_close (kvm);
g_free (strs);
return ret;
}