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sunos: don't use fopen()

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FILE uses an unsigned char to store the file descriptor so it cannot handle
situations where there are more than 256 open file descriptors.
This commit is contained in:
Ben Noordhuis 2012-03-23 22:43:57 +00:00
parent 1ab8f5a3c5
commit 4632163190
1 changed files with 12 additions and 15 deletions
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27
src/unix/sunos.c
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@ -37,6 +37,7 @@
#include <sys/time.h>
#include <unistd.h>
#include <kstat.h>
#include <fcntl.h>
#if HAVE_PORTS_FS
# include <sys/port.h>
@ -239,28 +240,24 @@ uv_err_t uv_get_process_title(char* buffer, size_t size) {
uv_err_t uv_resident_set_memory(size_t* rss) {
pid_t pid = getpid();
psinfo_t psinfo;
char pidpath[1024];
FILE *f;
uv_err_t err;
int fd;
sprintf(pidpath, "/proc/%d/psinfo", (int)pid);
f = fopen(pidpath, "r");
if (!f) return uv__new_sys_error(errno);
if (fread(&psinfo, sizeof(psinfo_t), 1, f) != 1) {
fclose (f);
fd = open("/proc/self/psinfo", O_RDONLY);
if (fd == -1)
return uv__new_sys_error(errno);
}
/* XXX correct? */
err = uv_ok_;
*rss = (size_t) psinfo.pr_rssize * 1024;
if (read(fd, &psinfo, sizeof(psinfo)) == sizeof(psinfo))
*rss = (size_t)psinfo.pr_rssize * 1024;
else
err = uv__new_sys_error(EINVAL);
fclose (f);
close(fd);
return uv_ok_;
return err;
}