diff options
Diffstat (limited to 'libps/host.c')
| -rw-r--r-- | libps/host.c | 52 |
1 files changed, 27 insertions, 25 deletions
diff --git a/libps/host.c b/libps/host.c index 26be9a31..9a46e008 100644 --- a/libps/host.c +++ b/libps/host.c @@ -1,8 +1,8 @@ /* Routines to get global host info. - Copyright (C) 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1995,96,2001,02 Free Software Foundation, Inc. - Written by Miles Bader <miles@gnu.ai.mit.edu> + Written by Miles Bader <miles@gnu.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -29,78 +29,80 @@ /* ---------------------------------------------------------------- */ /* - The Basic & Sched info types are pretty static, so we cache them, but load - info is dynamic so we don't cache that. + The Basic & Sched info types are pretty must static so we cache them. + However, as load info is dynamic, we do not cache it. See <mach/host_info.h> for information on the data types these routines return. */ /* Return the current host port. */ -host_t +mach_port_t ps_get_host () { - static host_t host = MACH_PORT_NULL; + static mach_port_t host = MACH_PORT_NULL; if (host == MACH_PORT_NULL) host = mach_host_self (); return host; } -/* Return a pointer to basic info about the current host in INFO. Since - this is static global information we just use a static buffer. If a - system error occurs, the error code is returned, otherwise 0. */ +/* Return a pointer to the basic info about the current host in INFO. + Since this is static global information, we just use a static buffer. + If a system error occurs, the error code is returned, otherwise 0 is + returned. */ error_t ps_host_basic_info (host_basic_info_t *info) { - int initialized = FALSE; + static int initialized; static host_basic_info_data_t buf; if (!initialized) { - int size = sizeof (buf); - error_t err = host_info (ps_get_host (), HOST_BASIC_INFO, + size_t size = sizeof (buf); + error_t err = host_info (ps_get_host (), HOST_BASIC_INFO, (host_info_t) &buf, &size); if (err) return err; - initialized = TRUE; + initialized = 1; } *info = &buf; return 0; } -/* Return a pointer to scheduling info about the current host in INFO. - Since this is static global information we just use a static buffer. If a - system error occurs, the error code is returned, otherwise 0. */ +/* Return a pointer to the scheduling info about the current host in INFO. + Since this is static global information, we just use a static buffer. + If a system error occurs, the error code is returned, otherwise 0 is + returned. */ error_t ps_host_sched_info (host_sched_info_t *info) { - int initialized = FALSE; + static int initialized; static host_sched_info_data_t buf; if (!initialized) { - int size = sizeof (buf); - error_t err = host_info (ps_get_host (), HOST_SCHED_INFO, + size_t size = sizeof (buf); + error_t err = host_info (ps_get_host (), HOST_SCHED_INFO, (host_info_t) &buf, &size); if (err) return err; - initialized = TRUE; + initialized = 1; } *info = &buf; return 0; } -/* Return a pointer to load info about the current host in INFO. Since - this is global information we just use a static buffer (if someone desires - to keep old load info, they should copy the buffer we return a pointer - to). If a system error occurs, the error code is returned, otherwise 0. */ +/* Return a pointer to the load info about the current host in INFO. Since + this is global information, we just use a static buffer (if someone desires + to keep old load info, they should copy the returned buffer). If a system + error occurs, the error code is returned, otherwise 0 is returned. */ error_t ps_host_load_info (host_load_info_t *info) { static host_load_info_data_t buf; - int size = sizeof (buf); + size_t size = sizeof (buf); error_t err = host_info (ps_get_host (), HOST_LOAD_INFO, (host_info_t) &buf, &size); |