diff options
Diffstat (limited to 'sysdeps/unix/sysv')
28 files changed, 108 insertions, 406 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/arch-fork.h b/sysdeps/unix/sysv/linux/aarch64/kernel-features.h index f6f5d73343..9cfa51471c 100644 --- a/sysdeps/unix/sysv/linux/riscv/arch-fork.h +++ b/sysdeps/unix/sysv/linux/aarch64/kernel-features.h @@ -1,5 +1,6 @@ -/* Internal definitions for thread-friendly fork implementation. Linux/RISC-V. - Copyright (C) 2002-2018 Free Software Foundation, Inc. +/* Set flags signalling availability of kernel features based on given + kernel version number. AArch64 version. + Copyright (C) 2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,11 +17,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <sched.h> -#include <sysdep.h> -#include <tls.h> +#include_next <kernel-features.h> -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, NULL, &THREAD_SELF->tid) +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/alpha/arch-fork.h b/sysdeps/unix/sysv/linux/alpha/arch-fork.h deleted file mode 100644 index 41897dc519..0000000000 --- a/sysdeps/unix/sysv/linux/alpha/arch-fork.h +++ /dev/null @@ -1,28 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. Alpha version. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, NULL, &THREAD_SELF->tid, NULL) diff --git a/sysdeps/unix/sysv/linux/arch-fork.h b/sysdeps/unix/sysv/linux/arch-fork.h index d5f542924f..3daa9651e5 100644 --- a/sysdeps/unix/sysv/linux/arch-fork.h +++ b/sysdeps/unix/sysv/linux/arch-fork.h @@ -1,4 +1,4 @@ -/* ARCH_FORK definition for Linux fork implementation. Stub version. +/* arch_fork definition for Linux fork implementation. Copyright (C) 2014-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -16,12 +16,37 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -/* This file should define the function-like macro of no arguments - ARCH_FORK to an INLINE_SYSCALL invocation of the clone-like system - call, passing the CLONE_CHILD_SETTID and CLONE_CHILD_CLEARTID flags - and &THREAD_SELF->tid as the TID address. +#ifndef __ARCH_FORK_H +#define __ARCH_FORK_H - Machines that lack an arch-fork.h header file will hit an #error in - fork.c; this stub file doesn't contain an #error itself mainly for - the transition period of migrating old machine-specific fork.c files - to machine-specific arch-fork.h instead. */ +#include <unistd.h> + +/* Call the clone syscall with fork semantic. The CTID address is used + to store the child thread ID at its locationm, to erase it in child memory + when the child exits, and do a wakeup on the futex at that address. + + The architecture with non-default kernel abi semantic should correctlly + override it with one of the supported calling convention (check generic + kernel-features.h for the clone abi variants). */ +static inline pid_t +arch_fork (void *ctid) +{ + const int flags = CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD; + long int ret; +#ifdef __ASSUME_CLONE_BACKWARDS + ret = INLINE_SYSCALL_CALL (clone, flags, 0, NULL, 0, ctid); +#elif defined(__ASSUME_CLONE_BACKWARDS2) + ret = INLINE_SYSCALL_CALL (clone, 0, flags, NULL, ctid, 0); +#elif defined(__ASSUME_CLONE_BACKWARDS3) + ret = INLINE_SYSCALL_CALL (clone, flags, 0, 0, NULL, ctid, 0); +#elif defined(__ASSUME_CLONE2) + ret = INLINE_SYSCALL_CALL (clone2, flags, 0, 0, NULL, ctid, 0); +#elif defined(__ASSUME_CLONE_DEFAULT) + ret = INLINE_SYSCALL_CALL (clone, flags, 0, NULL, ctid, 0); +#else +# error "Undefined clone variant" +#endif + return ret; +} + +#endif /* __ARCH_FORK_H */ diff --git a/sysdeps/unix/sysv/linux/arm/arch-fork.h b/sysdeps/unix/sysv/linux/arm/arch-fork.h deleted file mode 100644 index ff3bc90b15..0000000000 --- a/sysdeps/unix/sysv/linux/arm/arch-fork.h +++ /dev/null @@ -1,27 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. ARM version. - Copyright (C) 2014-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <sysdep.h> -#include <tls.h> - - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, NULL, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/arm/kernel-features.h b/sysdeps/unix/sysv/linux/arm/kernel-features.h index f13632b9be..7831ab1e0f 100644 --- a/sysdeps/unix/sysv/linux/arm/kernel-features.h +++ b/sysdeps/unix/sysv/linux/arm/kernel-features.h @@ -39,3 +39,6 @@ #define __ASSUME_RECV_SYSCALL 1 #define __ASSUME_SEND_SYSCALL 1 + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/createthread.c b/sysdeps/unix/sysv/linux/createthread.c index 5b5464a827..5879e51bd2 100644 --- a/sysdeps/unix/sysv/linux/createthread.c +++ b/sysdeps/unix/sysv/linux/createthread.c @@ -28,8 +28,9 @@ #include <arch-fork.h> - -#ifndef ARCH_CLONE +#ifdef __NR_clone2 +# define ARCH_CLONE __clone2 +#else # define ARCH_CLONE __clone #endif diff --git a/sysdeps/unix/sysv/linux/hppa/arch-fork.h b/sysdeps/unix/sysv/linux/hppa/arch-fork.h deleted file mode 100644 index 7d52994915..0000000000 --- a/sysdeps/unix/sysv/linux/hppa/arch-fork.h +++ /dev/null @@ -1,32 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. HPPA version. - Copyright (C) 2005-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -/* Argument 1 - Clone flags. - 2 - Child stack pointer. - 3 - Parent tid pointer. - 4 - New TLS area pointer. - 5 - Child tid pointer. */ -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, NULL, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/sysdeps/unix/sysv/linux/hppa/kernel-features.h index 3f005a5f2e..ef3c4ddfd7 100644 --- a/sysdeps/unix/sysv/linux/hppa/kernel-features.h +++ b/sysdeps/unix/sysv/linux/hppa/kernel-features.h @@ -32,3 +32,6 @@ #if __LINUX_KERNEL_VERSION < 0x040000 # undef __ASSUME_EXECVEAT #endif + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/i386/arch-fork.h b/sysdeps/unix/sysv/linux/i386/arch-fork.h deleted file mode 100644 index 0c43e2fc5c..0000000000 --- a/sysdeps/unix/sysv/linux/i386/arch-fork.h +++ /dev/null @@ -1,27 +0,0 @@ -/* Internal definitions for thread-friendly fork implementation. Linux/i386. - Copyright (C) 2002-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h index 87087125e5..f3cfd48c44 100644 --- a/sysdeps/unix/sysv/linux/i386/kernel-features.h +++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h @@ -48,3 +48,6 @@ /* i686 only supports ipc syscall. */ #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/ia64/arch-fork.h b/sysdeps/unix/sysv/linux/ia64/arch-fork.h deleted file mode 100644 index 522712ea15..0000000000 --- a/sysdeps/unix/sysv/linux/ia64/arch-fork.h +++ /dev/null @@ -1,31 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. IA64 version. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone2, 6, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, 0, NULL, &THREAD_SELF->tid, NULL) - -#define ARCH_CLONE __clone2 diff --git a/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/sysdeps/unix/sysv/linux/ia64/kernel-features.h index cc3fe92d42..04cdf43511 100644 --- a/sysdeps/unix/sysv/linux/ia64/kernel-features.h +++ b/sysdeps/unix/sysv/linux/ia64/kernel-features.h @@ -26,4 +26,7 @@ #define __ASSUME_SEND_SYSCALL 1 #define __ASSUME_ACCEPT4_SYSCALL 1 +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE2 + #endif /* _KERNEL_FEATURES_H */ diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index 3aa2052c71..f65a262994 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -115,3 +115,38 @@ #if __LINUX_KERNEL_VERSION >= 0x040500 # define __ASSUME_COPY_FILE_RANGE 1 #endif + +/* Support for clone call used on fork. The signature varies across the + architectures with current 4 different variants: + + 1. long int clone (unsigned long flags, unsigned long newsp, + int *parent_tidptr, unsigned long tls, + int *child_tidptr) + + 2. long int clone (unsigned long newsp, unsigned long clone_flags, + int *parent_tidptr, int * child_tidptr, + unsigned long tls) + + 3. long int clone (unsigned long flags, unsigned long newsp, + int stack_size, int *parent_tidptr, + int *child_tidptr, unsigned long tls) + + 4. long int clone (unsigned long flags, unsigned long newsp, + int *parent_tidptr, int *child_tidptr, + unsigned long tls) + + The fourth variant is intended to be used as the default for newer ports, + Also IA64 uses the third variant but with __NR_clone2 instead of + __NR_clone. + + The macros names to define the variant used for the architecture is + similar to kernel: + + - __ASSUME_CLONE_BACKWARDS: for variant 1. + - __ASSUME_CLONE_BACKWARDS2: for variant 2 (s390). + - __ASSUME_CLONE_BACKWARDS3: for variant 3 (microblaze). + - __ASSUME_CLONE_DEFAULT: for variant 4. + - __ASSUME_CLONE2: for clone2 with variant 3 (ia64). + */ + +#define __ASSUME_CLONE_DEFAULT 1 diff --git a/sysdeps/unix/sysv/linux/m68k/arch-fork.h b/sysdeps/unix/sysv/linux/m68k/arch-fork.h deleted file mode 100644 index 20b6bab8e9..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/arch-fork.h +++ /dev/null @@ -1,28 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. m68k version. - Copyright (C) 2010-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, &THREAD_SELF->tid, NULL) diff --git a/sysdeps/unix/sysv/linux/microblaze/arch-fork.h b/sysdeps/unix/sysv/linux/microblaze/arch-fork.h deleted file mode 100644 index 05ed4fae5a..0000000000 --- a/sysdeps/unix/sysv/linux/microblaze/arch-fork.h +++ /dev/null @@ -1,27 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. MicroBlaze version. - Copyright (C) 2014-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h index 745f899911..b13b863f06 100644 --- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h +++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h @@ -57,3 +57,6 @@ #if __LINUX_KERNEL_VERSION < 0x040A00 # undef __ASSUME_COPY_FILE_RANGE #endif + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS3 diff --git a/sysdeps/unix/sysv/linux/mips/arch-fork.h b/sysdeps/unix/sysv/linux/mips/arch-fork.h deleted file mode 100644 index 5f945378ee..0000000000 --- a/sysdeps/unix/sysv/linux/mips/arch-fork.h +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/arch-fork.h> diff --git a/sysdeps/unix/sysv/linux/mips/kernel-features.h b/sysdeps/unix/sysv/linux/mips/kernel-features.h index 7756a3495b..ce798ccffe 100644 --- a/sysdeps/unix/sysv/linux/mips/kernel-features.h +++ b/sysdeps/unix/sysv/linux/mips/kernel-features.h @@ -47,3 +47,6 @@ #if _MIPS_SIM == _ABIN32 # define __ASSUME_WORDSIZE64_ILP32 1 #endif + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/nios2/arch-fork.h b/sysdeps/unix/sysv/linux/nios2/arch-fork.h deleted file mode 100644 index 6dacec2688..0000000000 --- a/sysdeps/unix/sysv/linux/nios2/arch-fork.h +++ /dev/null @@ -1,33 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. Nios II version. - Copyright (C) 2005-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -/* Argument 1 - Clone flags. - 2 - Child stack pointer. - 3 - Parent tid pointer. - 4 - Child tid pointer. - 5 - New TLS area pointer. */ - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, NULL, &THREAD_SELF->tid, NULL) diff --git a/sysdeps/unix/sysv/linux/powerpc/arch-fork.h b/sysdeps/unix/sysv/linux/powerpc/arch-fork.h deleted file mode 100644 index 5f945378ee..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/arch-fork.h +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/arch-fork.h> diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h index f3c02e6ec2..503f562d76 100644 --- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h +++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h @@ -49,3 +49,6 @@ /* powerpc only supports ipc syscall. */ #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/aarch64/arch-fork.h b/sysdeps/unix/sysv/linux/riscv/kernel-features.h index cab797efe8..37f4d99a92 100644 --- a/sysdeps/unix/sysv/linux/aarch64/arch-fork.h +++ b/sysdeps/unix/sysv/linux/riscv/kernel-features.h @@ -1,5 +1,6 @@ -/* ARCH_FORK definition for Linux fork implementation. AArch64 version. - Copyright (C) 2005-2018 Free Software Foundation, Inc. +/* Set flags signalling availability of kernel features based on given + kernel version number. RISC-V version. + Copyright (C) 2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,13 +17,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> +#include_next <kernel-features.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, NULL, NULL, &THREAD_SELF->tid) +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS 1 diff --git a/sysdeps/unix/sysv/linux/s390/arch-fork.h b/sysdeps/unix/sysv/linux/s390/arch-fork.h deleted file mode 100644 index 152b465e8b..0000000000 --- a/sysdeps/unix/sysv/linux/s390/arch-fork.h +++ /dev/null @@ -1,29 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. S390 version. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - 0, CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - NULL, &THREAD_SELF->tid, NULL) diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h index 3caca981f1..f718264926 100644 --- a/sysdeps/unix/sysv/linux/s390/kernel-features.h +++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h @@ -50,3 +50,6 @@ /* s390 only supports ipc syscall. */ #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + +#undef __ASSUME_CLONE_DEFAULT +#define __ASSUME_CLONE_BACKWARDS2 diff --git a/sysdeps/unix/sysv/linux/sh/arch-fork.h b/sysdeps/unix/sysv/linux/sh/arch-fork.h deleted file mode 100644 index a29f61c8bb..0000000000 --- a/sysdeps/unix/sysv/linux/sh/arch-fork.h +++ /dev/null @@ -1,28 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. SH version. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -/* TLS pointer argument is passed as the 5-th argument. */ -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 5, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, &THREAD_SELF->tid, NULL) diff --git a/sysdeps/unix/sysv/linux/sparc/arch-fork.h b/sysdeps/unix/sysv/linux/sparc/arch-fork.h deleted file mode 100644 index 03ccc9aeef..0000000000 --- a/sysdeps/unix/sysv/linux/sparc/arch-fork.h +++ /dev/null @@ -1,27 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. SPARC version. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_CLONE_SYSCALL (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - 0, NULL, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/tile/arch-fork.h b/sysdeps/unix/sysv/linux/tile/arch-fork.h deleted file mode 100644 index d0526d880d..0000000000 --- a/sysdeps/unix/sysv/linux/tile/arch-fork.h +++ /dev/null @@ -1,29 +0,0 @@ -/* ARCH_FORK definition for Linux fork implementation. Tile* version. - Copyright (C) 2011-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - Based on work contributed by Ulrich Drepper <drepper@redhat.com>, 2002. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <signal.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 4, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, \ - 0, NULL, &THREAD_SELF->tid) diff --git a/sysdeps/unix/sysv/linux/x86_64/arch-fork.h b/sysdeps/unix/sysv/linux/x86_64/arch-fork.h deleted file mode 100644 index 4471970f10..0000000000 --- a/sysdeps/unix/sysv/linux/x86_64/arch-fork.h +++ /dev/null @@ -1,27 +0,0 @@ -/* Internal definitions for thread-friendly fork implementation. Linux/x86_64. - Copyright (C) 2003-2018 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <sched.h> -#include <sysdep.h> -#include <tls.h> - -#define ARCH_FORK() \ - INLINE_SYSCALL (clone, 4, \ - CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID | SIGCHLD, 0, \ - NULL, &THREAD_SELF->tid) |