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process_shared
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Add helper c library for posix constants and type sizes.

This commit is contained in:
Patrick Mahoney 2012-01-29 22:52:03 -06:00
parent 74acbae899
commit b58a1a7cda
3 changed files with 90 additions and 0 deletions
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6
Rakefile
View File

@ -10,6 +10,10 @@ Rake::ExtensionTask.new('libpsem') do |ext|
ext.lib_dir = 'lib/process_shared'
end
Rake::ExtensionTask.new('helper') do |ext|
ext.lib_dir = 'lib/process_shared/posix'
end
desc 'Run the tests'
task :default => [:test]
@ -22,3 +26,5 @@ Gem::PackageTask.new(gemspec) do |p|
p.need_tar = true
p.gem_spec = gemspec
end
task :gem => :compile

14
ext/helper/extconf.rb Normal file
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@ -0,0 +1,14 @@
require 'mkmf'
have_header('fcntl.h')
have_header('sys/mman.h')
have_header('semaphore.h')
have_type('sem_t', 'semaphore.h')
have_header('pthread.h')
have_type('pthread_mutex_t', 'pthread.h')
have_type('pthread_mutexattr_t', 'pthread.h')
create_makefile('helper')

70
ext/helper/helper.c Normal file
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@ -0,0 +1,70 @@
/****************************/
/* File descriptor controls */
/****************************/
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
extern int o_rdwr;
int o_rdwr = O_RDWR;
extern int o_creat;
int o_creat = O_CREAT;
extern int o_excl;
int o_excl = O_EXCL;
#endif
/************************/
/* Memory Map constants */
/************************/
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
extern int prot_read;
extern int prot_write;
extern int prot_exec;
extern int prot_none;
extern void * map_failed;
extern int map_shared;
extern int map_private;
int prot_read = PROT_READ;
int prot_write = PROT_WRITE;
int prot_exec = PROT_EXEC;
int prot_none = PROT_NONE;
void * map_failed = MAP_FAILED;
int map_shared = MAP_SHARED;
int map_private = MAP_PRIVATE;
#endif
/****************************************/
/* PThread and related types and macros */
/****************************************/
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
extern int pthread_process_shared;
int pthread_process_shared = PTHREAD_PROCESS_SHARED;
#endif
#ifdef HAVE_TYPE_PTHREAD_MUTEX_T
extern size_t sizeof_pthread_mutex_t;
size_t sizeof_pthread_mutex_t = sizeof (pthread_mutex_t);
size_t sizeof_pthread_mutexattr_t = sizeof (pthread_mutexattr_t);
#endif
#ifdef HAVE_TYPE_PTHREAD_MUTEXATTR_T
extern size_t sizeof_pthread_mutexattr_t;
#endif
/******************/
/* Semaphore type */
/******************/
#ifdef HAVE_TYPE_SEM_T
#include <semaphore.h>
extern size_t sizeof_sem_t;
size_t sizeof_sem_t = sizeof (sem_t);
#endif