137 lines
3.2 KiB
Objective-C
137 lines
3.2 KiB
Objective-C
/******************************************************************************
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Copyright (c) 2013 by Ruwen Hahn <palana@stunned.de>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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******************************************************************************/
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#include "base.h"
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#include "platform.h"
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#include "dstr.h"
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#include <dlfcn.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include <CoreServices/CoreServices.h>
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#include <mach/mach.h>
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#include <mach/mach_time.h>
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#import <Cocoa/Cocoa.h>
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void *os_dlopen(const char *path)
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{
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struct dstr dylib_name;
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dstr_init_copy(&dylib_name, path);
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if(!dstr_find(&dylib_name, ".so"))
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dstr_cat(&dylib_name, ".so");
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void *res = dlopen(dylib_name.array, RTLD_LAZY);
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if(!res)
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blog(LOG_ERROR, "os_dlopen(%s->%s): %s\n",
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path, dylib_name.array, dlerror());
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dstr_free(&dylib_name);
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return res;
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}
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void *os_dlsym(void *module, const char *func)
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{
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return dlsym(module, func);
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}
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void os_dlclose(void *module)
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{
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dlclose(module);
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}
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void os_sleepto_ns(uint64_t time_target)
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{
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uint64_t current = os_gettime_ns();
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if(time_target < current)
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return;
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time_target -= current;
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struct timespec req,
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remain;
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memset(&req, 0, sizeof(req));
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memset(&remain, 0, sizeof(remain));
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req.tv_sec = time_target/1000000000;
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req.tv_nsec = time_target%1000000000;
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while(nanosleep(&req, &remain))
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{
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req = remain;
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memset(&remain, 0, sizeof(remain));
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}
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}
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void os_sleep_ms(uint32_t duration)
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{
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usleep(duration*1000);
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}
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uint64_t os_gettime_ns(void)
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{
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uint64_t t = mach_absolute_time();
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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Nanoseconds nano = AbsoluteToNanoseconds(*(AbsoluteTime*) &t);
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#pragma clang diagnostic pop
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return *(uint64_t*) &nano;
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}
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char *os_get_home_path(void)
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{
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NSArray *paths = NSSearchPathForDirectoriesInDomains(
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NSApplicationSupportDirectory, NSUserDomainMask, YES);
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if([paths count] == 0)
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bcrash("Could not get home directory (platform-cocoa)");
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NSString *application_support = paths[0];
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NSUInteger len = [application_support
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lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
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char *path = bmalloc(len+1);
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path[len] = 0;
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memcpy(path, [application_support UTF8String], len);
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return path;
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}
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bool os_file_exists(const char *path)
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{
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return access(path, F_OK) == 0;
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}
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int os_mkdir(const char *path)
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{
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if(!mkdir(path, 0777))
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return MKDIR_SUCCESS;
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if(errno == EEXIST)
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return MKDIR_EXISTS;
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return MKDIR_ERROR;
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}
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