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This commit is contained in:
Martin Baulig
1999-12-25 19:04:22 +00:00
parent bbb539ef56
commit e7b42a66b1
1 changed files with 181 additions and 183 deletions
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364
sysdeps/solaris/proclist.c
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@@ -41,7 +41,7 @@ static const unsigned long _glibtop_sysdeps_proclist =
int int
glibtop_init_proclist_s (glibtop *server) glibtop_init_proclist_s (glibtop *server)
{ {
server->sysdeps.proclist = _glibtop_sysdeps_proclist; server->sysdeps.proclist = _glibtop_sysdeps_proclist;
} }
#define BLOCK_COUNT 256 #define BLOCK_COUNT 256
@@ -58,194 +58,192 @@ unsigned *
glibtop_get_proclist_s (glibtop *server, glibtop_proclist *buf, glibtop_get_proclist_s (glibtop *server, glibtop_proclist *buf,
int64_t which, int64_t arg) int64_t which, int64_t arg)
{ {
DIR *proc; DIR *proc;
struct dirent *entry; struct dirent *entry;
char buffer [BUFSIZ]; char buffer [BUFSIZ];
unsigned count, total, pid, mask; unsigned count, total, pid, mask;
unsigned pids [BLOCK_COUNT], *pids_chain = NULL; unsigned pids [BLOCK_COUNT], *pids_chain = NULL;
unsigned pids_size = 0, pids_offset = 0, new_size; unsigned pids_size = 0, pids_offset = 0, new_size;
struct stat statb; struct stat statb;
int len, i, ok; int len, i, ok;
memset (buf, 0, sizeof (glibtop_proclist)); memset (buf, 0, sizeof (glibtop_proclist));
mask = which & ~GLIBTOP_KERN_PROC_MASK; mask = which & ~GLIBTOP_KERN_PROC_MASK;
which &= GLIBTOP_KERN_PROC_MASK; which &= GLIBTOP_KERN_PROC_MASK;
/* Check if the user wanted only one process */ /* Check if the user wanted only one process */
if(which == GLIBTOP_KERN_PROC_PID) if(which == GLIBTOP_KERN_PROC_PID) {
{ if(mask) {
if(mask)
{
#ifdef HAVE_PROCFS_H #ifdef HAVE_PROCFS_H
struct psinfo psinfo; struct psinfo psinfo;
#else #else
struct prpsinfo psinfo; struct prpsinfo psinfo;
#endif #endif
if(glibtop_get_proc_data_psinfo_s(server, &psinfo, pid)) if(glibtop_get_proc_data_psinfo_s(server, &psinfo, pid))
return NULL; return NULL;
if(mask & GLIBTOP_EXCLUDE_IDLE && !psinfo.pr_pctcpu) if(mask & GLIBTOP_EXCLUDE_IDLE && !psinfo.pr_pctcpu)
return NULL; return NULL;
if(mask & GLIBTOP_EXCLUDE_SYSTEM && psinfo.pr_flag & SSYS) if(mask & GLIBTOP_EXCLUDE_SYSTEM && psinfo.pr_flag & SSYS)
return NULL; return NULL;
if(mask & GLIBTOP_EXCLUDE_NOTTY && psinfo.pr_ttydev == PRNODEV) if(mask & GLIBTOP_EXCLUDE_NOTTY && psinfo.pr_ttydev == PRNODEV)
return NULL; return NULL;
} } else {
else sprintf(buffer, "/proc/%d", arg);
{ if(s_stat(buffer, &statb) < 0)
sprintf(buffer, "/proc/%d", arg); return NULL;
if(s_stat(buffer, &statb) < 0)
return NULL;
}
if(!(pids_chain = glibtop_malloc(sizeof(unsigned))))
return NULL;
*pids_chain = pid;
return pids_chain;
} }
if(!(pids_chain = glibtop_malloc(sizeof(unsigned))))
proc = opendir ("/proc"); return NULL;
if (!proc) return NULL; *pids_chain = pid;
/* read every every entry in /proc */
for (count = total = 0, entry = readdir (proc);
entry; entry = readdir (proc)) {
ok = 1; len = strlen (entry->d_name);
/* does it consist entirely of digits? */
#if 0
/* It does, except for "." and "..". Let's speed up */
for (i = 0; i < len; i++)
if (!isdigit (entry->d_name [i])) ok = 0;
if (!ok) continue;
#else
if(entry->d_name[0] == '.')
continue;
#endif
/* convert it in a number */
#if 0
if (sscanf (entry->d_name, "%u", &pid) != 1) continue;
#else
pid = (unsigned)atol(entry->d_name);
#endif
#ifdef HAVE_PROCFS_H
/* Can we skip it based on the request? We have
RUID and RGID in struct stat. But we can't do it
like this for LP64 process, because stat() will fail.
XXX Unimplemented for now */
if(!mask && which == GLIBTOP_KERN_PROC_RUID)
{
sprintf (buffer, "/proc/%d", pid);
if (s_stat (buffer, &statb)) continue;
if (!S_ISDIR (statb.st_mode)) continue;
if(statb.st_uid != arg) continue;
}
if(mask || which != GLIBTOP_KERN_PROC_ALL)
{
struct psinfo psinfo;
if(glibtop_get_proc_data_psinfo_s(server, &psinfo, pid))
continue;
if(mask)
{
if(mask & GLIBTOP_EXCLUDE_IDLE && !psinfo.pr_pctcpu)
continue;
if(mask & GLIBTOP_EXCLUDE_SYSTEM && psinfo.pr_flag & SSYS)
continue;
if(mask & GLIBTOP_EXCLUDE_NOTTY
&& psinfo.pr_ttydev == PRNODEV)
continue;
}
switch(which)
{
case GLIBTOP_KERN_PROC_PGRP: if(psinfo.pr_pgid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_SESSION: if(psinfo.pr_sid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_TTY: if(psinfo.pr_ttydev != arg)
continue;
break;
case GLIBTOP_KERN_PROC_UID: if(psinfo.pr_euid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_RUID: if(psinfo.pr_uid != arg)
continue;
break;
default: break;
}
}
#endif
/* Fine. Now we first try to store it in pids. If this buffer is
* full, we copy it to the pids_chain. */
if (count >= BLOCK_COUNT) {
/* The following call to glibtop_realloc will be
* equivalent to glibtop_malloc () if `pids_chain' is
* NULL. We just calculate the new size and copy `pids'
* to the beginning of the newly allocated block. */
new_size = pids_size + BLOCK_SIZE;
pids_chain = glibtop_realloc_r
(server, pids_chain, new_size);
memcpy (pids_chain + pids_offset, pids, BLOCK_SIZE);
pids_size = new_size;
pids_offset += BLOCK_COUNT;
count = 0;
}
/* pids is now big enough to hold at least one single pid. */
pids [count++] = pid;
total++;
}
s_closedir (proc);
/* count is only zero if an error occured (one a running Linux system,
* we have at least one single process). */
if (!count) return NULL;
/* The following call to glibtop_realloc will be equivalent to
* glibtop_malloc if pids_chain is NULL. We just calculate the
* new size and copy pids to the beginning of the newly allocated
* block. */
new_size = pids_size + count * sizeof (unsigned);
pids_chain = glibtop_realloc_r (server, pids_chain, new_size);
memcpy (pids_chain + pids_offset, pids, count * sizeof (unsigned));
pids_size = new_size;
pids_offset += BLOCK_COUNT;
/* Since everything is ok now, we can set buf->flags, fill in the
* remaining fields and return the `pids_chain'. */
buf->flags = _glibtop_sysdeps_proclist;
buf->size = sizeof (unsigned);
buf->number = total;
buf->total = total * sizeof (unsigned);
return pids_chain; return pids_chain;
}
proc = opendir ("/proc");
if (!proc) return NULL;
/* read every every entry in /proc */
for (count = total = 0, entry = readdir (proc);
entry; entry = readdir (proc)) {
ok = 1; len = strlen (entry->d_name);
/* does it consist entirely of digits? */
#if 0
/* It does, except for "." and "..". Let's speed up */
for (i = 0; i < len; i++)
if (!isdigit (entry->d_name [i])) ok = 0;
if (!ok) continue;
#else
if(entry->d_name[0] == '.')
continue;
#endif
/* convert it in a number */
#if 0
if (sscanf (entry->d_name, "%u", &pid) != 1) continue;
#else
pid = (unsigned)atol(entry->d_name);
#endif
#ifdef HAVE_PROCFS_H
/* Can we skip it based on the request? We have
RUID and RGID in struct stat. But we can't do it
like this for LP64 process, because stat() will fail.
XXX Unimplemented for now */
if(!mask && which == GLIBTOP_KERN_PROC_RUID) {
sprintf (buffer, "/proc/%d", pid);
if (s_stat (buffer, &statb)) continue;
if (!S_ISDIR (statb.st_mode)) continue;
if(statb.st_uid != arg) continue;
}
if(mask || which != GLIBTOP_KERN_PROC_ALL) {
struct psinfo psinfo;
if(glibtop_get_proc_data_psinfo_s(server, &psinfo, pid))
continue;
if(mask) {
if(mask & GLIBTOP_EXCLUDE_IDLE && !psinfo.pr_pctcpu)
continue;
if(mask & GLIBTOP_EXCLUDE_SYSTEM && psinfo.pr_flag & SSYS)
continue;
if(mask & GLIBTOP_EXCLUDE_NOTTY
&& psinfo.pr_ttydev == PRNODEV)
continue;
}
switch(which) {
case GLIBTOP_KERN_PROC_PGRP:
if(psinfo.pr_pgid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_SESSION:
if(psinfo.pr_sid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_TTY:
if(psinfo.pr_ttydev != arg)
continue;
break;
case GLIBTOP_KERN_PROC_UID:
if(psinfo.pr_euid != arg)
continue;
break;
case GLIBTOP_KERN_PROC_RUID:
if(psinfo.pr_uid != arg)
continue;
break;
default:
break;
}
}
#endif
/* Fine. Now we first try to store it in pids. If this buffer is
* full, we copy it to the pids_chain. */
if (count >= BLOCK_COUNT) {
/* The following call to glibtop_realloc will be
* equivalent to glibtop_malloc () if `pids_chain' is
* NULL. We just calculate the new size and copy `pids'
* to the beginning of the newly allocated block. */
new_size = pids_size + BLOCK_SIZE;
pids_chain = glibtop_realloc_r
(server, pids_chain, new_size);
memcpy (pids_chain + pids_offset, pids, BLOCK_SIZE);
pids_size = new_size;
pids_offset += BLOCK_COUNT;
count = 0;
}
/* pids is now big enough to hold at least one single pid. */
pids [count++] = pid;
total++;
}
s_closedir (proc);
/* count is only zero if an error occured (one a running Linux system,
* we have at least one single process). */
if (!count) return NULL;
/* The following call to glibtop_realloc will be equivalent to
* glibtop_malloc if pids_chain is NULL. We just calculate the
* new size and copy pids to the beginning of the newly allocated
* block. */
new_size = pids_size + count * sizeof (unsigned);
pids_chain = glibtop_realloc_r (server, pids_chain, new_size);
memcpy (pids_chain + pids_offset, pids, count * sizeof (unsigned));
pids_size = new_size;
pids_offset += BLOCK_COUNT;
/* Since everything is ok now, we can set buf->flags, fill in the
* remaining fields and return the `pids_chain'. */
buf->flags = _glibtop_sysdeps_proclist;
buf->size = sizeof (unsigned);
buf->number = total;
buf->total = total * sizeof (unsigned);
return pids_chain;
} }