diff options
Diffstat (limited to 'winsup/cygwin/resource.cc')
| -rw-r--r-- | winsup/cygwin/resource.cc | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/winsup/cygwin/resource.cc b/winsup/cygwin/resource.cc deleted file mode 100644 index 0db6cd5b8..000000000 --- a/winsup/cygwin/resource.cc +++ /dev/null @@ -1,190 +0,0 @@ -/* resource.cc: getrusage () and friends. - - Copyright 1996, 1997, 1998, 2000, 2001, 2002 Red Hat, Inc. - - Written by Steve Chamberlain (sac@cygnus.com), Doug Evans (dje@cygnus.com), - Geoffrey Noer (noer@cygnus.com) of Cygnus Support. - Rewritten by Sergey S. Okhapkin (sos@prospect.com.ru) - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#include "winsup.h" -#include <errno.h> -#include <unistd.h> -#include <limits.h> -#include "cygerrno.h" -#include "pinfo.h" -#include "psapi.h" - -/* add timeval values */ -static void -add_timeval (struct timeval *tv1, struct timeval *tv2) -{ - tv1->tv_sec += tv2->tv_sec; - tv1->tv_usec += tv2->tv_usec; - if (tv1->tv_usec >= 1000000) - { - tv1->tv_usec -= 1000000; - tv1->tv_sec++; - } -} - -/* add rusage values of r2 to r1 */ -void __stdcall -add_rusage (struct rusage *r1, struct rusage *r2) -{ - add_timeval (&r1->ru_utime, &r2->ru_utime); - add_timeval (&r1->ru_stime, &r2->ru_stime); - r1->ru_maxrss += r2->ru_maxrss; - r1->ru_ixrss += r2->ru_ixrss; - r1->ru_idrss += r2->ru_idrss; - r1->ru_isrss += r2->ru_isrss; - r1->ru_minflt += r2->ru_minflt; - r1->ru_majflt += r2->ru_majflt; - r1->ru_nswap += r2->ru_nswap; - r1->ru_inblock += r2->ru_inblock; - r1->ru_oublock += r2->ru_oublock; - r1->ru_msgsnd += r2->ru_msgsnd; - r1->ru_msgrcv += r2->ru_msgrcv; - r1->ru_nsignals += r2->ru_nsignals; - r1->ru_nvcsw += r2->ru_nvcsw; - r1->ru_nivcsw += r2->ru_nivcsw; -} - -/* FIXME: what about other fields? */ -void __stdcall -fill_rusage (struct rusage *r, HANDLE h) -{ - FILETIME creation_time = {0,0}; - FILETIME exit_time = {0,0}; - FILETIME kernel_time = {0,0}; - FILETIME user_time = {0,0}; - - struct timeval tv; - - memset (r, 0, sizeof (*r)); - GetProcessTimes (h, &creation_time, &exit_time, &kernel_time, &user_time); - totimeval (&tv, &kernel_time, 0, 0); - add_timeval (&r->ru_stime, &tv); - totimeval (&tv, &user_time, 0, 0); - add_timeval (&r->ru_utime, &tv); - - PROCESS_MEMORY_COUNTERS pmc; - - memset (&pmc, 0, sizeof (pmc)); - if (GetProcessMemoryInfo (h, &pmc, sizeof (pmc))) - { - r->ru_maxrss += (long) (pmc.WorkingSetSize /1024); - r->ru_majflt += pmc.PageFaultCount; - } -} - -extern "C" -int -getrusage (int intwho, struct rusage *rusage_in) -{ - int res = 0; - struct rusage r; - - if (intwho == RUSAGE_SELF) - { - memset (&r, 0, sizeof (r)); - fill_rusage (&r, hMainProc); - *rusage_in = r; - } - else if (intwho == RUSAGE_CHILDREN) - *rusage_in = myself->rusage_children; - else - { - set_errno (EINVAL); - res = -1; - } - - syscall_printf ("%d = getrusage (%d, %p)", res, intwho, rusage_in); - return res; -} - -unsigned long rlim_core = RLIM_INFINITY; - -extern "C" int -getrlimit (int resource, struct rlimit *rlp) -{ - MEMORY_BASIC_INFORMATION m; - - if (check_null_invalid_struct_errno (rlp)) - return -1; - - rlp->rlim_cur = RLIM_INFINITY; - rlp->rlim_max = RLIM_INFINITY; - - switch (resource) - { - case RLIMIT_CPU: - case RLIMIT_FSIZE: - case RLIMIT_DATA: - break; - case RLIMIT_STACK: - if (!VirtualQuery ((LPCVOID) &m, &m, sizeof m)) - debug_printf ("couldn't get stack info, returning def.values. %E"); - else - { - rlp->rlim_cur = (DWORD) &m - (DWORD) m.AllocationBase; - rlp->rlim_max = (DWORD) m.BaseAddress + m.RegionSize - - (DWORD) m.AllocationBase; - } - break; - case RLIMIT_NOFILE: - rlp->rlim_cur = getdtablesize (); - break; - case RLIMIT_CORE: - rlp->rlim_cur = rlim_core; - break; - case RLIMIT_AS: - rlp->rlim_cur = 0x80000000UL; - rlp->rlim_max = 0x80000000UL; - break; - default: - set_errno (EINVAL); - return -1; - } - return 0; -} - -extern "C" int -setrlimit (int resource, const struct rlimit *rlp) -{ - if (__check_invalid_read_ptr_errno (rlp, sizeof (*rlp))) - return -1; - - struct rlimit oldlimits; - - // Check if the request is to actually change the resource settings. - // If it does not result in a change, take no action and do not - // fail. - if (getrlimit (resource, &oldlimits) < 0) - return -1; - - if (oldlimits.rlim_cur == rlp->rlim_cur && - oldlimits.rlim_max == rlp->rlim_max) - // No change in resource requirements, succeed immediately - return 0; - - switch (resource) - { - case RLIMIT_CORE: - rlim_core = rlp->rlim_cur; - break; - case RLIMIT_NOFILE: - if (rlp->rlim_cur != RLIM_INFINITY) - return setdtablesize (rlp->rlim_cur); - break; - default: - set_errno (EINVAL); - return -1; - } - return 0; -} |