Chillcraft/libgtop
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Reflect latest interface changes; return 0 on success and -1 on error.

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This commit is contained in:
Martin Baulig
1999-11-21 16:54:36 +00:00
parent cdc8e43a79
commit 81176f8181
20 changed files with 158 additions and 53 deletions
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18
sysdeps/linux/mem.c
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@@ -37,6 +37,8 @@ int
glibtop_init_mem_s (glibtop *server)
{
server->sysdeps.mem = _glibtop_sysdeps_mem;
return 0;
}
/* Provides information about memory usage. */
@@ -54,12 +56,18 @@ glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
memset (buf, 0, sizeof (glibtop_mem));
fd = open (FILENAME, O_RDONLY);
if (fd < 0)
glibtop_error_io_r (server, "open (%s)", FILENAME);
if (fd < 0) {
glibtop_warn_io_r (server, "open (%s)", FILENAME);
return -1;
}
len = read (fd, buffer, BUFSIZ-1);
if (len < 0)
glibtop_error_io_r (server, "read (%s)", FILENAME);
if (len < 0) {
close (fd);
glibtop_warn_io_r (server, "read (%s)", FILENAME);
return -1;
}
close (fd);
@@ -78,4 +86,6 @@ glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
buf->user = buf->total - buf->free - buf->shared - buf->buffer;
buf->flags = _glibtop_sysdeps_mem;
return 0;
}