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Return 0 on success and -1 on error.

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This commit is contained in:
Martin Baulig
1999-10-24 20:17:42 +00:00
parent 507f171b63
commit 7a9bb6e43d
20 changed files with 153 additions and 65 deletions
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22
sysdeps/freebsd/procmem.c
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@@ -100,6 +100,8 @@ glibtop_init_proc_mem_p (glibtop *server)
server->sysdeps.proc_mem = _glibtop_sysdeps_proc_mem |
_glibtop_sysdeps_proc_mem_share;
return 0;
}
/* Provides detailed information about a process. */
@@ -125,23 +127,23 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
memset (buf, 0, sizeof (glibtop_proc_mem));
if (server->sysdeps.proc_mem == 0)
return;
return -1;
/* It does not work for the swapper task. */
if (pid == 0) return;
if (pid == 0) return -1;
/* Get the process data */
pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
if ((pinfo == NULL) || (count < 1)) {
glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
return;
return -1;
}
if (kvm_read (server->machine.kd,
(unsigned long) pinfo [0].kp_proc.p_limit,
(char *) &plimit, sizeof (plimit)) != sizeof (plimit)) {
glibtop_warn_io_r (server, "kvm_read (plimit)");
return;
return -1;
}
buf->rss_rlim = (u_int64_t)
@@ -161,7 +163,7 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
(unsigned long) pinfo [0].kp_proc.p_vmspace,
(char *) &vmspace, sizeof (vmspace)) != sizeof (vmspace)) {
glibtop_warn_io_r (server, "kvm_read (vmspace)");
return;
return -1;
}
first = vmspace.vm_map.header.next;
@@ -170,7 +172,7 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
(unsigned long) vmspace.vm_map.header.next,
(char *) &entry, sizeof (entry)) != sizeof (entry)) {
glibtop_warn_io_r (server, "kvm_read (entry)");
return;
return -1;
}
/* Walk through the `vm_map_entry' list ... */
@@ -184,7 +186,7 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
(unsigned long) entry.next,
&entry, sizeof (entry)) != sizeof (entry)) {
glibtop_warn_io_r (server, "kvm_read (entry)");
return;
return -1;
}
#ifdef __FreeBSD__
@@ -215,7 +217,7 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
(unsigned long) entry.object.uvm_obj,
&vnode, sizeof (vnode)) != sizeof (vnode)) {
glibtop_warn_io_r (server, "kvm_read (vnode)");
return;
return -1;
}
#else
if (!entry.object.vm_object)
@@ -227,7 +229,7 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
(unsigned long) entry.object.vm_object,
&object, sizeof (object)) != sizeof (object)) {
glibtop_warn_io_r (server, "kvm_read (object)");
return;
return -1;
}
#endif
/* If the object is of type vnode, add its size */
@@ -256,4 +258,6 @@ glibtop_get_proc_mem_p (glibtop *server, glibtop_proc_mem *buf,
buf->flags = _glibtop_sysdeps_proc_mem |
_glibtop_sysdeps_proc_mem_share;
return 0;
}