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os-posix.c: create and export os_set_chroot()

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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20230901101302.3618955-4-mjt@tls.msk.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Michael Tokarev 2023-09-01 13:12:57 +03:00 committed by Paolo Bonzini
parent 22d0251570
commit 5b15639003
2 changed files with 8 additions and 2 deletions
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1
include/sysemu/os-posix.h
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@ -51,6 +51,7 @@ int os_set_daemonize(bool d);
bool is_daemonized(void); bool is_daemonized(void);
void os_daemonize(void); void os_daemonize(void);
bool os_set_runas(const char *optarg); bool os_set_runas(const char *optarg);
void os_set_chroot(const char *optarg);
void os_setup_post(void); void os_setup_post(void);
int os_mlock(void); int os_mlock(void);

9
os-posix.c
View file

@ -159,7 +159,7 @@ int os_parse_cmd_args(int index, const char *optarg)
break; break;
case QEMU_OPTION_chroot: case QEMU_OPTION_chroot:
warn_report("option is deprecated, use '-run-with chroot=...' instead"); warn_report("option is deprecated, use '-run-with chroot=...' instead");
chroot_dir = optarg; os_set_chroot(optarg);
break; break;
case QEMU_OPTION_daemonize: case QEMU_OPTION_daemonize:
daemonize = 1; daemonize = 1;
@ -184,7 +184,7 @@ int os_parse_cmd_args(int index, const char *optarg)
#endif #endif
str = qemu_opt_get(opts, "chroot"); str = qemu_opt_get(opts, "chroot");
if (str) { if (str) {
chroot_dir = str; os_set_chroot(str);
} }
break; break;
} }
@ -232,6 +232,11 @@ static void change_process_uid(void)
} }
} }
void os_set_chroot(const char *optarg)
{
chroot_dir = optarg;
}
static void change_root(void) static void change_root(void)
{ {
if (chroot_dir) { if (chroot_dir) {