Date: Sun, 24 May 2015 15:06:39 +0000 (UTC) From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r283394 - in head/sys: amd64/linux32 compat/linux i386/linux Message-ID: <201505241506.t4OF6d6v040562@svn.freebsd.org>
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Author: dchagin Date: Sun May 24 15:06:39 2015 New Revision: 283394 URL: https://svnweb.freebsd.org/changeset/base/283394 Log: Implement waitid() system call. Differential Revision: https://reviews.freebsd.org/D1046 Modified: head/sys/amd64/linux32/linux32_dummy.c head/sys/amd64/linux32/syscalls.master head/sys/compat/linux/linux_misc.c head/sys/compat/linux/linux_misc.h head/sys/i386/linux/linux_dummy.c head/sys/i386/linux/syscalls.master Modified: head/sys/amd64/linux32/linux32_dummy.c ============================================================================== --- head/sys/amd64/linux32/linux32_dummy.c Sun May 24 15:05:22 2015 (r283393) +++ head/sys/amd64/linux32/linux32_dummy.c Sun May 24 15:06:39 2015 (r283394) @@ -84,7 +84,6 @@ DUMMY(mq_timedreceive); DUMMY(mq_notify); DUMMY(mq_getsetattr); DUMMY(kexec_load); -DUMMY(waitid); /* linux 2.6.11: */ DUMMY(add_key); DUMMY(request_key); Modified: head/sys/amd64/linux32/syscalls.master ============================================================================== --- head/sys/amd64/linux32/syscalls.master Sun May 24 15:05:22 2015 (r283393) +++ head/sys/amd64/linux32/syscalls.master Sun May 24 15:06:39 2015 (r283394) @@ -466,7 +466,9 @@ 281 AUE_NULL STD { int linux_mq_notify(void); } 282 AUE_NULL STD { int linux_mq_getsetattr(void); } 283 AUE_NULL STD { int linux_kexec_load(void); } -284 AUE_NULL STD { int linux_waitid(void); } +284 AUE_WAIT6 STD { int linux_waitid(int idtype, l_pid_t id, \ + l_siginfo_t *info, int options, \ + struct l_rusage *rusage); } 285 AUE_NULL UNIMPL ; linux 2.6.11: 286 AUE_NULL STD { int linux_add_key(void); } Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Sun May 24 15:05:22 2015 (r283393) +++ head/sys/compat/linux/linux_misc.c Sun May 24 15:06:39 2015 (r283394) @@ -917,6 +917,68 @@ linux_wait4(struct thread *td, struct li } int +linux_waitid(struct thread *td, struct linux_waitid_args *args) +{ + int status, options, sig; + struct __wrusage wru; + siginfo_t siginfo; + l_siginfo_t lsi; + idtype_t idtype; + struct proc *p; + int error; + + options = 0; + linux_to_bsd_waitopts(args->options, &options); + + if (options & ~(WNOHANG | WNOWAIT | WEXITED | WUNTRACED | WCONTINUED)) + return (EINVAL); + if (!(options & (WEXITED | WUNTRACED | WCONTINUED))) + return (EINVAL); + + switch (args->idtype) { + case LINUX_P_ALL: + idtype = P_ALL; + break; + case LINUX_P_PID: + if (args->id <= 0) + return (EINVAL); + idtype = P_PID; + break; + case LINUX_P_PGID: + if (args->id <= 0) + return (EINVAL); + idtype = P_PGID; + break; + default: + return (EINVAL); + } + + error = kern_wait6(td, idtype, args->id, &status, options, + &wru, &siginfo); + if (error != 0) + return (error); + if (args->rusage != NULL) { + error = linux_copyout_rusage(&wru.wru_children, + args->rusage); + if (error != 0) + return (error); + } + if (args->info != NULL) { + p = td->td_proc; + if (td->td_retval[0] == 0) + bzero(&lsi, sizeof(lsi)); + else { + sig = BSD_TO_LINUX_SIGNAL(siginfo.si_signo); + siginfo_to_lsiginfo(&siginfo, &lsi, sig); + } + error = copyout(&lsi, args->info, sizeof(lsi)); + } + td->td_retval[0] = 0; + + return (error); +} + +int linux_mknod(struct thread *td, struct linux_mknod_args *args) { char *path; Modified: head/sys/compat/linux/linux_misc.h ============================================================================== --- head/sys/compat/linux/linux_misc.h Sun May 24 15:05:22 2015 (r283393) +++ head/sys/compat/linux/linux_misc.h Sun May 24 15:06:39 2015 (r283394) @@ -125,6 +125,12 @@ extern int stclohz; #define __WALL 0x40000000 #define __WCLONE 0x80000000 +/* Linux waitid idtype */ +#define LINUX_P_ALL 0 +#define LINUX_P_PID 1 +#define LINUX_P_PGID 2 + + int linux_common_wait(struct thread *td, int pid, int *status, int options, struct rusage *ru); void linux_to_bsd_waitopts(int options, int *bsdopts); Modified: head/sys/i386/linux/linux_dummy.c ============================================================================== --- head/sys/i386/linux/linux_dummy.c Sun May 24 15:05:22 2015 (r283393) +++ head/sys/i386/linux/linux_dummy.c Sun May 24 15:06:39 2015 (r283394) @@ -80,7 +80,6 @@ DUMMY(mbind); DUMMY(get_mempolicy); DUMMY(set_mempolicy); DUMMY(kexec_load); -DUMMY(waitid); /* linux 2.6.11: */ DUMMY(add_key); DUMMY(request_key); Modified: head/sys/i386/linux/syscalls.master ============================================================================== --- head/sys/i386/linux/syscalls.master Sun May 24 15:05:22 2015 (r283393) +++ head/sys/i386/linux/syscalls.master Sun May 24 15:06:39 2015 (r283394) @@ -474,7 +474,9 @@ 282 AUE_NULL STD { int linux_mq_getsetattr(l_mqd_t mqd, const struct mq_attr *attr, \ struct mq_attr *oattr); } 283 AUE_NULL STD { int linux_kexec_load(void); } -284 AUE_NULL STD { int linux_waitid(void); } +284 AUE_WAIT6 STD { int linux_waitid(int idtype, l_pid_t id, \ + l_siginfo_t *info, int options, \ + void *rusage); } 285 AUE_NULL UNIMPL ; linux 2.6.11: 286 AUE_NULL STD { int linux_add_key(void); }
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