svn commit: r283382 - in head/sys: amd64/amd64 arm/arm compat/ia32 compat/svr4 i386/i386 i386/ibcs2 kern mips/mips powerpc/powerpc sparc64/sparc64 sys
Dmitry Chagin
dchagin at FreeBSD.org
Sun May 24 14:51:34 UTC 2015
Author: dchagin
Date: Sun May 24 14:51:29 2015
New Revision: 283382
URL: https://svnweb.freebsd.org/changeset/base/283382
Log:
In preparation for switching linuxulator to the use the native 1:1
threads add a hook for cleaning thread resources before the thread die.
Differential Revision: https://reviews.freebsd.org/D1038
Modified:
head/sys/amd64/amd64/elf_machdep.c
head/sys/arm/arm/elf_machdep.c
head/sys/compat/ia32/ia32_sysvec.c
head/sys/compat/svr4/svr4_sysvec.c
head/sys/i386/i386/elf_machdep.c
head/sys/i386/ibcs2/ibcs2_sysvec.c
head/sys/kern/imgact_aout.c
head/sys/kern/init_main.c
head/sys/kern/kern_thread.c
head/sys/mips/mips/elf_machdep.c
head/sys/mips/mips/freebsd32_machdep.c
head/sys/powerpc/powerpc/elf32_machdep.c
head/sys/powerpc/powerpc/elf64_machdep.c
head/sys/sparc64/sparc64/elf_machdep.c
head/sys/sys/sysent.h
Modified: head/sys/amd64/amd64/elf_machdep.c
==============================================================================
--- head/sys/amd64/amd64/elf_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/amd64/amd64/elf_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -82,6 +82,7 @@ struct sysentvec elf64_freebsd_sysvec =
.sv_shared_page_base = SHAREDPAGE,
.sv_shared_page_len = PAGE_SIZE,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf64_sysvec, &elf64_freebsd_sysvec);
Modified: head/sys/arm/arm/elf_machdep.c
==============================================================================
--- head/sys/arm/arm/elf_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/arm/arm/elf_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -81,6 +81,7 @@ struct sysentvec elf32_freebsd_sysvec =
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
static Elf32_Brandinfo freebsd_brand_info = {
Modified: head/sys/compat/ia32/ia32_sysvec.c
==============================================================================
--- head/sys/compat/ia32/ia32_sysvec.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/compat/ia32/ia32_sysvec.c Sun May 24 14:51:29 2015 (r283382)
@@ -136,6 +136,7 @@ struct sysentvec ia32_freebsd_sysvec = {
.sv_shared_page_base = FREEBSD32_SHAREDPAGE,
.sv_shared_page_len = PAGE_SIZE,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf_ia32_sysvec, &ia32_freebsd_sysvec);
Modified: head/sys/compat/svr4/svr4_sysvec.c
==============================================================================
--- head/sys/compat/svr4/svr4_sysvec.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/compat/svr4/svr4_sysvec.c Sun May 24 14:51:29 2015 (r283382)
@@ -196,6 +196,7 @@ struct sysentvec svr4_sysvec = {
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = NULL,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
const char svr4_emul_path[] = "/compat/svr4";
Modified: head/sys/i386/i386/elf_machdep.c
==============================================================================
--- head/sys/i386/i386/elf_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/i386/i386/elf_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -88,6 +88,7 @@ struct sysentvec elf32_freebsd_sysvec =
.sv_shared_page_base = SHAREDPAGE,
.sv_shared_page_len = PAGE_SIZE,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf32_sysvec, &elf32_freebsd_sysvec);
Modified: head/sys/i386/ibcs2/ibcs2_sysvec.c
==============================================================================
--- head/sys/i386/ibcs2/ibcs2_sysvec.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/i386/ibcs2/ibcs2_sysvec.c Sun May 24 14:51:29 2015 (r283382)
@@ -89,6 +89,7 @@ struct sysentvec ibcs2_svr3_sysvec = {
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = NULL,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
static int
Modified: head/sys/kern/imgact_aout.c
==============================================================================
--- head/sys/kern/imgact_aout.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/kern/imgact_aout.c Sun May 24 14:51:29 2015 (r283382)
@@ -99,6 +99,7 @@ struct sysentvec aout_sysvec = {
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
#elif defined(__amd64__)
Modified: head/sys/kern/init_main.c
==============================================================================
--- head/sys/kern/init_main.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/kern/init_main.c Sun May 24 14:51:29 2015 (r283382)
@@ -411,6 +411,7 @@ struct sysentvec null_sysvec = {
.sv_fetch_syscall_args = null_fetch_syscall_args,
.sv_syscallnames = NULL,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
/*
Modified: head/sys/kern/kern_thread.c
==============================================================================
--- head/sys/kern/kern_thread.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/kern/kern_thread.c Sun May 24 14:51:29 2015 (r283382)
@@ -45,6 +45,7 @@ __FBSDID("$FreeBSD$");
#include <sys/sched.h>
#include <sys/sleepqueue.h>
#include <sys/selinfo.h>
+#include <sys/sysent.h>
#include <sys/turnstile.h>
#include <sys/ktr.h>
#include <sys/rwlock.h>
@@ -884,6 +885,14 @@ thread_suspend_check(int return_instead)
if ((p->p_flag & P_SINGLE_EXIT) && (p->p_singlethread != td)) {
PROC_UNLOCK(p);
tidhash_remove(td);
+
+ /*
+ * Allow Linux emulation layer to do some work
+ * before thread suicide.
+ */
+ if (__predict_false(p->p_sysent->sv_thread_detach != NULL))
+ (p->p_sysent->sv_thread_detach)(td);
+
PROC_LOCK(p);
tdsigcleanup(td);
umtx_thread_exit(td);
Modified: head/sys/mips/mips/elf_machdep.c
==============================================================================
--- head/sys/mips/mips/elf_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/mips/mips/elf_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -83,6 +83,7 @@ struct sysentvec elf64_freebsd_sysvec =
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
static Elf64_Brandinfo freebsd_brand_info = {
@@ -139,6 +140,7 @@ struct sysentvec elf32_freebsd_sysvec =
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
static Elf32_Brandinfo freebsd_brand_info = {
Modified: head/sys/mips/mips/freebsd32_machdep.c
==============================================================================
--- head/sys/mips/mips/freebsd32_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/mips/mips/freebsd32_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -106,6 +106,7 @@ struct sysentvec elf32_freebsd_sysvec =
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = freebsd32_syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf32_sysvec, &elf32_freebsd_sysvec);
Modified: head/sys/powerpc/powerpc/elf32_machdep.c
==============================================================================
--- head/sys/powerpc/powerpc/elf32_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/powerpc/powerpc/elf32_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -108,6 +108,7 @@ struct sysentvec elf32_freebsd_sysvec =
.sv_shared_page_base = FREEBSD32_SHAREDPAGE,
.sv_shared_page_len = PAGE_SIZE,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf32_sysvec, &elf32_freebsd_sysvec);
Modified: head/sys/powerpc/powerpc/elf64_machdep.c
==============================================================================
--- head/sys/powerpc/powerpc/elf64_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/powerpc/powerpc/elf64_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -84,6 +84,7 @@ struct sysentvec elf64_freebsd_sysvec =
.sv_shared_page_base = SHAREDPAGE,
.sv_shared_page_len = PAGE_SIZE,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
INIT_SYSENTVEC(elf64_sysvec, &elf64_freebsd_sysvec);
Modified: head/sys/sparc64/sparc64/elf_machdep.c
==============================================================================
--- head/sys/sparc64/sparc64/elf_machdep.c Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/sparc64/sparc64/elf_machdep.c Sun May 24 14:51:29 2015 (r283382)
@@ -87,6 +87,7 @@ static struct sysentvec elf64_freebsd_sy
.sv_fetch_syscall_args = cpu_fetch_syscall_args,
.sv_syscallnames = syscallnames,
.sv_schedtail = NULL,
+ .sv_thread_detach = NULL,
};
static Elf64_Brandinfo freebsd_brand_info = {
Modified: head/sys/sys/sysent.h
==============================================================================
--- head/sys/sys/sysent.h Sun May 24 14:49:21 2015 (r283381)
+++ head/sys/sys/sysent.h Sun May 24 14:51:29 2015 (r283382)
@@ -136,6 +136,7 @@ struct sysentvec {
uint32_t sv_timekeep_gen;
void *sv_shared_page_obj;
void (*sv_schedtail)(struct thread *);
+ void (*sv_thread_detach)(struct thread *);
};
#define SV_ILP32 0x000100
More information about the svn-src-all
mailing list