[nix-shell:~/downloads/zig/build]$ strace -f ./test 
execve("./test", ["./test"], 0x7ffc74ccdd28 /* 131 vars */) = 0
arch_prctl(ARCH_SET_FS, 0x225220)       = 0
mmap(NULL, 8388644, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_GROWSDOWN, -1, 0) = 0x7efe4a93f000
clone(child_stack=0x7efe4b13eff8, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|0x400000, parent_tidptr=0x7efe4b13f000, tls=0x7efe4b13f018, child_tidptr=0x7efe4b13f000) = 5202
strace: Process 5202 attached
[pid  5201] mmap(NULL, 8388644, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_GROWSDOWN, -1, 0 <unfinished ...>
[pid  5202] exit(0 <unfinished ...>
[pid  5201] <... mmap resumed> )        = 0x7efe4a03e000
[pid  5202] <... exit resumed>)         = ?
[pid  5201] clone( <unfinished ...>
[pid  5202] +++ exited with 0 +++
strace: Process 5203 attached
[pid  5201] <... clone resumed> child_stack=0x7efe4a83dff8, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID|0x400000, parent_tidptr=0x7efe4a83e000, tls=0x7efe4a83e018, child_tidptr=0x7efe4a83e000) = 5203
[pid  5203] exit(0 <unfinished ...>
[pid  5201] munmap(0x7efe4a93f000, 8388644 <unfinished ...>
[pid  5203] <... exit resumed>)         = ?
[pid  5201] <... munmap resumed> )      = 0
[pid  5203] +++ exited with 0 +++
munmap(0x7efe4a03e000, 8388644)         = 0
exit(0)                                 = ?
+++ exited with 0 +++