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// when we don't want to use @cInclude, we can just stick wrapper functions here
#include "root.h"
#include <sys/resource.h>
#include <cstdint>
#include <unistd.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/signal.h>
#if CPU(X86_64)
#include <cstring>
#include <cpuid.h>
extern "C" void bun_warn_avx_missing(const char* url)
{
__builtin_cpu_init();
if (__builtin_cpu_supports("avx")) {
return;
}
static constexpr const char* str = "warn: CPU lacks AVX support, strange crashes may occur. Reinstall Bun or use *-baseline build:\n ";
const size_t len = strlen(str);
char buf[512];
strcpy(buf, str);
strcpy(buf + len, url);
strcpy(buf + len + strlen(url), "\n\0");
write(STDERR_FILENO, buf, strlen(buf));
}
#else
extern "C" void bun_warn_avx_missing(char* url)
{
}
#endif
extern "C" int32_t get_process_priority(uint32_t pid)
{
return getpriority(PRIO_PROCESS, pid);
}
extern "C" int32_t set_process_priority(uint32_t pid, int32_t priority)
{
return setpriority(PRIO_PROCESS, pid, priority);
}
extern "C" bool is_executable_file(const char* path)
{
#if defined(O_EXEC)
// O_EXEC is macOS specific
int fd = open(path, O_EXEC | O_CLOEXEC, 0);
if (fd < 0)
return false;
close(fd);
return true;
#endif
struct stat st;
if (stat(path, &st) != 0)
return false;
// regular file and user can execute
return S_ISREG(st.st_mode) && (st.st_mode & S_IXUSR);
}
extern "C" void bun_ignore_sigpipe()
{
// ignore SIGPIPE
signal(SIGPIPE, SIG_IGN);
}
extern "C" ssize_t bun_sysconf__SC_CLK_TCK()
{
#ifdef __APPLE__
return sysconf(_SC_CLK_TCK);
#else
return 0;
#endif
}
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