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Refactor
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8375741489
commit
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@ -305,7 +305,6 @@ list(APPEND MOLD_ELF_TEMPLATE_FILES
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elf/icf.cc
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elf/input-files.cc
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elf/input-sections.cc
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elf/jobs.cc
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elf/linker-script.cc
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elf/lto.cc
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elf/main.cc
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@ -378,6 +377,12 @@ target_sources(mold PRIVATE
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third-party/rust-demangle/rust-demangle.c
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)
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if(WIN32)
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target_sources(mold PRIVATE common/jobs-win32.cc)
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else()
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target_sources(mold PRIVATE common/jobs-unix.cc)
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endif()
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# Add frequently included header files for pre-compiling.
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# target_precompile_headers is supported by CMake 3.16.0 or newer.
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if(${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.16.0")
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@ -885,6 +885,13 @@ std::filesystem::path to_abs_path(std::filesystem::path path);
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std::optional<std::string_view> demangle_cpp(std::string_view name);
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std::optional<std::string_view> demangle_rust(std::string_view name);
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//
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// jbos.cc
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//
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void acquire_global_lock();
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void release_global_lock();
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//
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// compress.cc
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//
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@ -9,21 +9,20 @@
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// mold processes to just 1 for each user. It is intended to be used as
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// `MOLD_JOBS=1 ninja` or `MOLD_JOBS=1 make -j$(nproc)`.
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#include "mold.h"
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#include "common.h"
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#ifndef _WIN32
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# include <fcntl.h>
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# include <pwd.h>
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# include <sys/stat.h>
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# include <sys/types.h>
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# include <unistd.h>
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#endif
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#include <fcntl.h>
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#include <pwd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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namespace mold::elf {
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namespace mold {
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template <typename E>
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void acquire_global_lock(Context<E> &ctx) {
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#ifndef _WIN32
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static int lock_fd = -1;
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void acquire_global_lock() {
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char *jobs = getenv("MOLD_JOBS");
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if (!jobs || jobs != "1"s)
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return;
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@ -40,22 +39,12 @@ void acquire_global_lock(Context<E> &ctx) {
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if (lockf(fd, F_LOCK, 0) == -1)
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return;
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ctx.global_lock_fd = fd;
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#endif
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lock_fd = fd;
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}
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template <typename E>
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void release_global_lock(Context<E> &ctx) {
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#ifndef _WIN32
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if (ctx.global_lock_fd)
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close(*ctx.global_lock_fd);
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#endif
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void release_global_lock() {
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if (lock_fd != -1)
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close(lock_fd);
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}
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using E = MOLD_TARGET;
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template void acquire_global_lock(Context<E> &);
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template void release_global_lock(Context<E> &);
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} // namespace mold::elf
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} // namespace mold
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6
common/jobs-win32.cc
Normal file
6
common/jobs-win32.cc
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@ -0,0 +1,6 @@
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namespace mold {
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void acquire_global_lock() {}
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void release_global_lock() {}
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} // namespace mold
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@ -364,7 +364,7 @@ int elf_main(int argc, char **argv) {
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on_complete = fork_child();
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#endif
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acquire_global_lock(ctx);
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acquire_global_lock();
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tbb::global_control tbb_cont(tbb::global_control::max_allowed_parallelism,
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ctx.arg.thread_count);
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@ -682,10 +682,11 @@ int elf_main(int argc, char **argv) {
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std::cout << std::flush;
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std::cerr << std::flush;
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if (on_complete)
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on_complete();
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release_global_lock(ctx);
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release_global_lock();
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if (ctx.arg.quick_exit)
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_exit(0);
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@ -1343,13 +1343,6 @@ template <typename E>
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[[noreturn]]
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void process_run_subcommand(Context<E> &ctx, int argc, char **argv);
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//
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// jobs.cc
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//
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template <typename E> void acquire_global_lock(Context<E> &ctx);
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template <typename E> void release_global_lock(Context<E> &ctx);
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//
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// cmdline.cc
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//
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@ -1770,7 +1763,6 @@ struct Context {
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std::vector<DynamicPattern> dynamic_list_patterns;
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i64 default_version = VER_NDX_UNSPECIFIED;
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i64 page_size = E::page_size;
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std::optional<int> global_lock_fd;
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// Reader context
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bool as_needed = false;
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