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move proc_fdinfo_get for re-use

This commit is contained in:
Doug MacEachern 2007-12-02 00:52:38 +00:00
parent b12956364f
commit 4b712b5da0
1 changed files with 33 additions and 29 deletions
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62
src/os/darwin/darwin_sigar.c
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@ -686,6 +686,39 @@ int sigar_loadavg_get(sigar_t *sigar,
return SIGAR_OK; return SIGAR_OK;
} }
#if defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H)
static int proc_fdinfo_get(sigar_t *sigar, sigar_pid_t pid, int *num)
{
int rsize;
const int init_size = PROC_PIDLISTFD_SIZE * 32;
if (sigar->ifconf_len == 0) {
sigar->ifconf_len = init_size;
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
while (1) {
rsize = proc_pidinfo(pid, PROC_PIDLISTFDS, 0,
sigar->ifconf_buf, sigar->ifconf_len);
if (rsize <= 0) {
return errno;
}
if ((rsize + PROC_PIDLISTFD_SIZE) < sigar->ifconf_len) {
break;
}
sigar->ifconf_len += init_size;
sigar->ifconf_buf = realloc(sigar->ifconf_buf, sigar->ifconf_len);
}
*num = rsize / PROC_PIDLISTFD_SIZE;
return SIGAR_OK;
}
#endif
#ifndef KERN_PROC_PROC #ifndef KERN_PROC_PROC
/* freebsd 4.x */ /* freebsd 4.x */
#define KERN_PROC_PROC KERN_PROC_ALL #define KERN_PROC_PROC KERN_PROC_ALL
@ -2596,35 +2629,6 @@ int sigar_proc_port_get(sigar_t *sigar, int protocol,
#elif defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H) #elif defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H)
#define FDS_INCR (PROC_PIDLISTFD_SIZE * 32)
static int proc_fdinfo_get(sigar_t *sigar, sigar_pid_t pid, int *num)
{
int rsize;
if (sigar->ifconf_len == 0) {
sigar->ifconf_len = FDS_INCR;
sigar->ifconf_buf = malloc(sigar->ifconf_len);
}
while (1) {
rsize = proc_pidinfo(pid, PROC_PIDLISTFDS, 0,
sigar->ifconf_buf, sigar->ifconf_len);
if (rsize <= 0) {
return errno;
}
if ((rsize + PROC_PIDLISTFD_SIZE) < sigar->ifconf_len) {
break;
}
sigar->ifconf_len += FDS_INCR;
sigar->ifconf_buf = realloc(sigar->ifconf_buf, sigar->ifconf_len);
}
*num = rsize / PROC_PIDLISTFD_SIZE;
return SIGAR_OK;
}
int sigar_proc_port_get(sigar_t *sigar, int protocol, int sigar_proc_port_get(sigar_t *sigar, int protocol,
unsigned long port, sigar_pid_t *pid) unsigned long port, sigar_pid_t *pid)
{ {