From 8026152efb84ec1ef45f0023ebff69654b92dadd Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 17 Mar 2018 01:35:16 +0100 Subject: Note where the signals thread is created --- glibc/startup.mdwn | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/glibc/startup.mdwn b/glibc/startup.mdwn index 0fe15b3b..67d66c1b 100644 --- a/glibc/startup.mdwn +++ b/glibc/startup.mdwn @@ -32,8 +32,8 @@ is quite hairy on GNU Hurd systems. * `_hurd_startup` (hurd/hurdstartup.c) gets hurdish information from servers and calls its `main` parameter. * the `main` parameter was actually `doinit`, which mangles the stack and calls `doinit1` which calls `init`. * `init` sets threadvars, tries to initialize threads (and perhaps switches to the new stack) and gets to call `init1`. - * `init1` checks the new stack, calls `_hurd_init` (hurd/hurdinit.c) - * `_hurd_init` initializes initial ports, runs the `_hurd_subinit` hooks (`init_dtable` hurd/dtable.c notably initializes the FD table and the `_hurd_fd_subinit` hooks, which notably checks `std*`). + * `init1` gets the Hurd block, calls `_hurd_init` (hurd/hurdinit.c) on it + * `_hurd_init` initializes initial ports, starts the signal thread, runs the `_hurd_subinit` hooks (`init_dtable` hurd/dtable.c notably initializes the FD table and the `_hurd_fd_subinit` hooks, which notably checks `std*`). * We are back to `_start`, which jumps to `_start1` which is the normal libc startup which calls `__libc_start_main` * `__libc_start_main` (actually called `LIBC_START_MAIN` in csu/libc-start.c) initializes libc, tls, libpthread, atexit * `__libc_start_main` calls initialization function given as parameter `__libc_csu_init`, @@ -56,10 +56,10 @@ is quite hairy on GNU Hurd systems. * we are back to `go`, which branches to `_dl_start_user`. * `_dl_start_user` (./sysdeps/i386/dl-machine.h) runs `RTLD_START_SPECIAL_INIT` (sysdeps/mach/hurd/i386/dl-machine.h) which calls `_dl_init_first`. * `_dl_init_first` calls `first_init` which calls `__mach_init` to initialize enough to run RPCs, then runs the `_hurd_preinit_hook` hooks, which initialize global variables of libc. - * `_dl_init_first` calls `init`. + * `_dl_init_first` (sysdeps/mach/hurd/i386/init-first.c) calls `init`. * `init` sets threadvars, tries to initialize threads (and perhaps switches to the new stack) and gets to call `init1`. - * `init1` checks the new stack, calls `_hurd_init` (hurd/hurdinit.c) - * `_hurd_init` initializes initial ports, runs the `_hurd_subinit` hooks (`init_dtable` hurd/dtable.c notably initializes the FD table and the `_hurd_fd_subinit` hooks, which notably checks `std*`). + * `init1` gets the Hurd block, calls `_hurd_init` (hurd/hurdinit.c) on it + * `_hurd_init` initializes initial ports, starts the signal thread, runs the `_hurd_subinit` hooks (`init_dtable` hurd/dtable.c notably initializes the FD table and the `_hurd_fd_subinit` hooks, which notably checks `std*`). * we are back to `_dl_start_user`, which calls `_dl_init` (elf/dl-init.c) which calls application initializers. * `_dl_start_user` jumps to the application's entry point, `_start` * `_start` (sysdeps/i386/start.S) calls `__libc_start_main` -- cgit v1.2.3