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(SIGAR-193) Migrate from mach/shared_memory_server.h to mach/shared_region.h on Darwin

This commit is contained in:
Doug MacEachern 2009-12-23 16:16:21 -08:00
parent 035a097325
commit 46897838f6
1 changed files with 65 additions and 7 deletions
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72
src/os/darwin/darwin_sigar.c
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@ -40,7 +40,14 @@
#include <mach/thread_act.h>
#include <mach/thread_info.h>
#include <mach/vm_map.h>
#include <mach/shared_memory_server.h>
#if !defined(HAVE_SHARED_REGION_H) && defined(__MAC_10_5) /* see Availability.h */
# define HAVE_SHARED_REGION_H /* suckit autoconf */
#endif
#ifdef HAVE_SHARED_REGION_H
#include <mach/shared_region.h> /* does not exist in 10.4 SDK */
#else
#include <mach/shared_memory_server.h> /* deprecated in Leopard */
#endif
#include <mach-o/dyld.h>
#define __OPENTRANSPORTPROVIDERS__
#include <Gestalt.h>
@ -1061,10 +1068,48 @@ static int sigar_get_pinfo(sigar_t *sigar, sigar_pid_t pid)
return SIGAR_OK;
}
#ifdef DARWIN
#define GLOBAL_SHARED_SIZE (SHARED_TEXT_REGION_SIZE + SHARED_DATA_REGION_SIZE)
#if defined(SHARED_TEXT_REGION_SIZE) && defined(SHARED_DATA_REGION_SIZE)
# define GLOBAL_SHARED_SIZE (SHARED_TEXT_REGION_SIZE + SHARED_DATA_REGION_SIZE) /* 10.4 SDK */
#endif
#if defined(DARWIN) && defined(DARWIN_HAS_LIBPROC_H) && !defined(GLOBAL_SHARED_SIZE)
/* get the CPU type of the process for the given pid */
static int sigar_proc_cpu_type(sigar_t *sigar, sigar_pid_t pid, cpu_type_t *type)
{
int status;
int mib[CTL_MAXNAME];
size_t len, miblen = NMIB(mib);
status = sysctlnametomib("sysctl.proc_cputype", mib, &miblen);
if (status != SIGAR_OK) {
return status;
}
mib[miblen] = pid;
len = sizeof(*type);
return sysctl(mib, miblen + 1, type, &len, NULL, 0);
}
/* shared memory region size for the given cpu_type_t */
static mach_vm_size_t sigar_shared_region_size(cpu_type_t type)
{
switch (type) {
case CPU_TYPE_ARM:
return SHARED_REGION_SIZE_ARM;
case CPU_TYPE_POWERPC:
return SHARED_REGION_SIZE_PPC;
case CPU_TYPE_POWERPC64:
return SHARED_REGION_SIZE_PPC64;
case CPU_TYPE_I386:
return SHARED_REGION_SIZE_I386;
case CPU_TYPE_X86_64:
return SHARED_REGION_SIZE_X86_64;
default:
return SHARED_REGION_SIZE_I386; /* assume 32-bit x86|ppc */
}
}
#endif /* DARWIN */
int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
sigar_proc_mem_t *procmem)
{
@ -1092,10 +1137,23 @@ int sigar_proc_mem_get(sigar_t *sigar, sigar_pid_t pid,
sz = sigar->proc_pidinfo(pid, PROC_PIDREGIONINFO, 0, &pri, sizeof(pri));
if (sz == sizeof(pri)) {
if ((pri.pri_share_mode == SM_EMPTY) &&
(procmem->size > GLOBAL_SHARED_SIZE))
{
procmem->size -= GLOBAL_SHARED_SIZE; /* SIGAR-123 */
if (pri.pri_share_mode == SM_EMPTY) {
mach_vm_size_t shared_size;
#ifdef GLOBAL_SHARED_SIZE
shared_size = GLOBAL_SHARED_SIZE; /* 10.4 SDK */
#else
cpu_type_t cpu_type;
if (sigar_proc_cpu_type(sigar, pid, &cpu_type) == SIGAR_OK) {
shared_size = sigar_shared_region_size(cpu_type);
}
else {
shared_size = SHARED_REGION_SIZE_I386; /* assume 32-bit x86|ppc */
}
#endif
if (procmem->size > shared_size) {
procmem->size -= shared_size; /* SIGAR-123 */
}
}
}
return SIGAR_OK;