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Kernel: Use Userspace<T> for the clock_gettime syscall

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This commit is contained in:
Brian Gianforcaro 2020-08-09 12:42:51 -07:00 • committed by Andreas Kling
parent 48d9f3c2e6
commit b4d04fd8d1
2 changed files with 3 additions and 4 deletions
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2
Kernel/Process.h
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@ -247,7 +247,7 @@ public:
int sys$sleep(unsigned seconds); int sys$sleep(unsigned seconds);
int sys$usleep(useconds_t usec); int sys$usleep(useconds_t usec);
int sys$gettimeofday(Userspace<timeval*>); int sys$gettimeofday(Userspace<timeval*>);
int sys$clock_gettime(clockid_t, timespec*); int sys$clock_gettime(clockid_t, Userspace<timespec*>);
int sys$clock_settime(clockid_t, timespec*); int sys$clock_settime(clockid_t, timespec*);
int sys$clock_nanosleep(Userspace<const Syscall::SC_clock_nanosleep_params*>); int sys$clock_nanosleep(Userspace<const Syscall::SC_clock_nanosleep_params*>);
int sys$gethostname(char*, ssize_t); int sys$gethostname(char*, ssize_t);

5
Kernel/Syscalls/clock.cpp
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@ -29,14 +29,13 @@
namespace Kernel { namespace Kernel {
int Process::sys$clock_gettime(clockid_t clock_id, timespec* user_ts) int Process::sys$clock_gettime(clockid_t clock_id, Userspace<timespec*> user_ts)
{ {
REQUIRE_PROMISE(stdio); REQUIRE_PROMISE(stdio);
if (!validate_write_typed(user_ts)) if (!validate_write_typed(user_ts))
return -EFAULT; return -EFAULT;
timespec ts; timespec ts = {};
memset(&ts, 0, sizeof(ts));
switch (clock_id) { switch (clock_id) {
case CLOCK_MONOTONIC: case CLOCK_MONOTONIC: