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In preparation for switching linuxulator to the use the native 1:1

Browse Source 
threads add a hook for cleaning thread resources before the thread die.

Differential Revision:	https://reviews.freebsd.org/D1038
This commit is contained in:
Dmitry Chagin 2015-05-24 14:51:29 +00:00
parent 8c032af773
commit 91d1786f65
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=283382
15 changed files with 24 additions and 0 deletions
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1
sys/amd64/amd64/elf_machdep.c
View File

@ -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);

1
sys/arm/arm/elf_machdep.c
View File

@ -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 = {

1
sys/compat/ia32/ia32_sysvec.c
View File

@ -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);

1
sys/compat/svr4/svr4_sysvec.c
View File

@ -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";

1
sys/i386/i386/elf_machdep.c
View File

@ -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);

1
sys/i386/ibcs2/ibcs2_sysvec.c
View File

@ -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

1
sys/kern/imgact_aout.c
View File

@ -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__)

1
sys/kern/init_main.c
View File

@ -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,
};
/*

9
sys/kern/kern_thread.c
View File

@ -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);

2
sys/mips/mips/elf_machdep.c
View File

@ -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 = {

1
sys/mips/mips/freebsd32_machdep.c
View File

@ -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);

1
sys/powerpc/powerpc/elf32_machdep.c
View File

@ -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);

1
sys/powerpc/powerpc/elf64_machdep.c
View File

@ -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);

1
sys/sparc64/sparc64/elf_machdep.c
View File

@ -87,6 +87,7 @@ static 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 = {

1
sys/sys/sysent.h
View File

@ -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