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main.zig
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main.zig
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const std = @import("std");
const builtin = @import("builtin");
pub const build_options = @import("build_options");
const bun = @import("root").bun;
const Output = bun.Output;
const Environment = bun.Environment;
pub const panic = bun.crash_handler.panic;
pub const std_options = struct {
pub const enable_segfault_handler = !bun.crash_handler.enable;
};
pub const io_mode = .blocking;
comptime {
bun.assert(builtin.target.cpu.arch.endian() == .little);
}
extern fn bun_warn_avx_missing(url: [*:0]const u8) void;
pub extern "C" var _environ: ?*anyopaque;
pub extern "C" var environ: ?*anyopaque;
pub fn main() void {
bun.crash_handler.init();
// This should appear before we make any calls at all to libuv.
// So it's safest to put it very early in the main function.
if (Environment.isWindows) {
_ = bun.windows.libuv.uv_replace_allocator(
@ptrCast(&bun.Mimalloc.mi_malloc),
@ptrCast(&bun.Mimalloc.mi_realloc),
@ptrCast(&bun.Mimalloc.mi_calloc),
@ptrCast(&bun.Mimalloc.mi_free),
);
environ = @ptrCast(std.os.environ.ptr);
_environ = @ptrCast(std.os.environ.ptr);
}
bun.start_time = std.time.nanoTimestamp();
bun.initArgv(bun.default_allocator) catch |err| {
Output.panic("Failed to initialize argv: {s}\n", .{@errorName(err)});
};
Output.Source.Stdio.init();
defer Output.flush();
if (Environment.isX64 and Environment.enableSIMD and Environment.isPosix) {
bun_warn_avx_missing(@import("./cli/upgrade_command.zig").Version.Bun__githubBaselineURL.ptr);
}
bun.CLI.Cli.start(bun.default_allocator);
bun.Global.exit(0);
}