Add clock_getres_time64, timer_gettime64, timer_settime64,
timerfd_gettime64, timerfd_settime64
Some fixes (page protection, print_fdset, timerspec, itimerspec)
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Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.2-pull-request' into staging
Add clock_getres_time64, timer_gettime64, timer_settime64,
timerfd_gettime64, timerfd_settime64
Some fixes (page protection, print_fdset, timerspec, itimerspec)
# gpg: Signature made Sun 23 Aug 2020 15:58:53 BST
# gpg: using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg: issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/linux-user-for-5.2-pull-request:
linux-user: Fix 'utimensat()' implementation
linux-user: Add support for a group of 2038 safe syscalls
linux-user: Modify 'target_to_host/host_to_target_itimerspec()'
linux-user: Adjust guest page protection for the host
linux-user: Validate mmap/mprotect prot value
linux-user: Fix "print_fdset()" in "strace.c" to not print ", " after last value
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
8367a77c4d
|
|
@ -59,64 +59,100 @@ void mmap_fork_end(int child)
|
|||
pthread_mutex_unlock(&mmap_mutex);
|
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}
|
||||
|
||||
/*
|
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* Validate target prot bitmask.
|
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* Return the prot bitmask for the host in *HOST_PROT.
|
||||
* Return 0 if the target prot bitmask is invalid, otherwise
|
||||
* the internal qemu page_flags (which will include PAGE_VALID).
|
||||
*/
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static int validate_prot_to_pageflags(int *host_prot, int prot)
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{
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int valid = PROT_READ | PROT_WRITE | PROT_EXEC | TARGET_PROT_SEM;
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int page_flags = (prot & PAGE_BITS) | PAGE_VALID;
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/*
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* For the host, we need not pass anything except read/write/exec.
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* While PROT_SEM is allowed by all hosts, it is also ignored, so
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* don't bother transforming guest bit to host bit. Any other
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* target-specific prot bits will not be understood by the host
|
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* and will need to be encoded into page_flags for qemu emulation.
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*
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* Pages that are executable by the guest will never be executed
|
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* by the host, but the host will need to be able to read them.
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*/
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*host_prot = (prot & (PROT_READ | PROT_WRITE))
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| (prot & PROT_EXEC ? PROT_READ : 0);
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return prot & ~valid ? 0 : page_flags;
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}
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/* NOTE: all the constants are the HOST ones, but addresses are target. */
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int target_mprotect(abi_ulong start, abi_ulong len, int prot)
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int target_mprotect(abi_ulong start, abi_ulong len, int target_prot)
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{
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abi_ulong end, host_start, host_end, addr;
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int prot1, ret;
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int prot1, ret, page_flags, host_prot;
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trace_target_mprotect(start, len, prot);
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trace_target_mprotect(start, len, target_prot);
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if ((start & ~TARGET_PAGE_MASK) != 0)
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if ((start & ~TARGET_PAGE_MASK) != 0) {
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return -TARGET_EINVAL;
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}
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page_flags = validate_prot_to_pageflags(&host_prot, target_prot);
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if (!page_flags) {
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return -TARGET_EINVAL;
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}
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len = TARGET_PAGE_ALIGN(len);
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end = start + len;
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if (!guest_range_valid(start, len)) {
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return -TARGET_ENOMEM;
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}
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prot &= PROT_READ | PROT_WRITE | PROT_EXEC;
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if (len == 0)
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if (len == 0) {
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return 0;
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}
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mmap_lock();
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host_start = start & qemu_host_page_mask;
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host_end = HOST_PAGE_ALIGN(end);
|
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if (start > host_start) {
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/* handle host page containing start */
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prot1 = prot;
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for(addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
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prot1 = host_prot;
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for (addr = host_start; addr < start; addr += TARGET_PAGE_SIZE) {
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prot1 |= page_get_flags(addr);
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}
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if (host_end == host_start + qemu_host_page_size) {
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for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
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for (addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
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prot1 |= page_get_flags(addr);
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}
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end = host_end;
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}
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ret = mprotect(g2h(host_start), qemu_host_page_size, prot1 & PAGE_BITS);
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if (ret != 0)
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ret = mprotect(g2h(host_start), qemu_host_page_size,
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prot1 & PAGE_BITS);
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if (ret != 0) {
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goto error;
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}
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host_start += qemu_host_page_size;
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}
|
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if (end < host_end) {
|
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prot1 = prot;
|
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for(addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
|
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prot1 = host_prot;
|
||||
for (addr = end; addr < host_end; addr += TARGET_PAGE_SIZE) {
|
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prot1 |= page_get_flags(addr);
|
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}
|
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ret = mprotect(g2h(host_end - qemu_host_page_size), qemu_host_page_size,
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prot1 & PAGE_BITS);
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if (ret != 0)
|
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ret = mprotect(g2h(host_end - qemu_host_page_size),
|
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qemu_host_page_size, prot1 & PAGE_BITS);
|
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if (ret != 0) {
|
||||
goto error;
|
||||
}
|
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host_end -= qemu_host_page_size;
|
||||
}
|
||||
|
||||
/* handle the pages in the middle */
|
||||
if (host_start < host_end) {
|
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ret = mprotect(g2h(host_start), host_end - host_start, prot);
|
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if (ret != 0)
|
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ret = mprotect(g2h(host_start), host_end - host_start, host_prot);
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if (ret != 0) {
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goto error;
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}
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}
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page_set_flags(start, start + len, prot | PAGE_VALID);
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page_set_flags(start, start + len, page_flags);
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mmap_unlock();
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return 0;
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error:
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|
|
@ -360,19 +396,26 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size, abi_ulong align)
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}
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/* NOTE: all the constants are the HOST ones */
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abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
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abi_long target_mmap(abi_ulong start, abi_ulong len, int target_prot,
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int flags, int fd, abi_ulong offset)
|
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{
|
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abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
|
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int page_flags, host_prot;
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|
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mmap_lock();
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trace_target_mmap(start, len, prot, flags, fd, offset);
|
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trace_target_mmap(start, len, target_prot, flags, fd, offset);
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|
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if (!len) {
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errno = EINVAL;
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goto fail;
|
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}
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|
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page_flags = validate_prot_to_pageflags(&host_prot, target_prot);
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if (!page_flags) {
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errno = EINVAL;
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goto fail;
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}
|
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|
||||
/* Also check for overflows... */
|
||||
len = TARGET_PAGE_ALIGN(len);
|
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if (!len) {
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||||
|
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@ -438,14 +481,15 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
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/* Note: we prefer to control the mapping address. It is
|
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especially important if qemu_host_page_size >
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||||
qemu_real_host_page_size */
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p = mmap(g2h(start), host_len, prot,
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p = mmap(g2h(start), host_len, host_prot,
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flags | MAP_FIXED | MAP_ANONYMOUS, -1, 0);
|
||||
if (p == MAP_FAILED)
|
||||
if (p == MAP_FAILED) {
|
||||
goto fail;
|
||||
}
|
||||
/* update start so that it points to the file position at 'offset' */
|
||||
host_start = (unsigned long)p;
|
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if (!(flags & MAP_ANONYMOUS)) {
|
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p = mmap(g2h(start), len, prot,
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p = mmap(g2h(start), len, host_prot,
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flags | MAP_FIXED, fd, host_offset);
|
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if (p == MAP_FAILED) {
|
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munmap(g2h(start), host_len);
|
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|
|
@ -479,19 +523,19 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
|
|||
/* msync() won't work here, so we return an error if write is
|
||||
possible while it is a shared mapping */
|
||||
if ((flags & MAP_TYPE) == MAP_SHARED &&
|
||||
(prot & PROT_WRITE)) {
|
||||
(host_prot & PROT_WRITE)) {
|
||||
errno = EINVAL;
|
||||
goto fail;
|
||||
}
|
||||
retaddr = target_mmap(start, len, prot | PROT_WRITE,
|
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retaddr = target_mmap(start, len, target_prot | PROT_WRITE,
|
||||
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS,
|
||||
-1, 0);
|
||||
if (retaddr == -1)
|
||||
goto fail;
|
||||
if (pread(fd, g2h(start), len, offset) == -1)
|
||||
goto fail;
|
||||
if (!(prot & PROT_WRITE)) {
|
||||
ret = target_mprotect(start, len, prot);
|
||||
if (!(host_prot & PROT_WRITE)) {
|
||||
ret = target_mprotect(start, len, target_prot);
|
||||
assert(ret == 0);
|
||||
}
|
||||
goto the_end;
|
||||
|
|
@ -502,13 +546,13 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
|
|||
if (real_end == real_start + qemu_host_page_size) {
|
||||
/* one single host page */
|
||||
ret = mmap_frag(real_start, start, end,
|
||||
prot, flags, fd, offset);
|
||||
host_prot, flags, fd, offset);
|
||||
if (ret == -1)
|
||||
goto fail;
|
||||
goto the_end1;
|
||||
}
|
||||
ret = mmap_frag(real_start, start, real_start + qemu_host_page_size,
|
||||
prot, flags, fd, offset);
|
||||
host_prot, flags, fd, offset);
|
||||
if (ret == -1)
|
||||
goto fail;
|
||||
real_start += qemu_host_page_size;
|
||||
|
|
@ -517,7 +561,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
|
|||
if (end < real_end) {
|
||||
ret = mmap_frag(real_end - qemu_host_page_size,
|
||||
real_end - qemu_host_page_size, end,
|
||||
prot, flags, fd,
|
||||
host_prot, flags, fd,
|
||||
offset + real_end - qemu_host_page_size - start);
|
||||
if (ret == -1)
|
||||
goto fail;
|
||||
|
|
@ -533,13 +577,13 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
|
|||
else
|
||||
offset1 = offset + real_start - start;
|
||||
p = mmap(g2h(real_start), real_end - real_start,
|
||||
prot, flags, fd, offset1);
|
||||
host_prot, flags, fd, offset1);
|
||||
if (p == MAP_FAILED)
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
the_end1:
|
||||
page_set_flags(start, start + len, prot | PAGE_VALID);
|
||||
page_set_flags(start, start + len, page_flags);
|
||||
the_end:
|
||||
trace_target_mmap_complete(start);
|
||||
if (qemu_loglevel_mask(CPU_LOG_PAGE)) {
|
||||
|
|
|
|||
|
|
@ -541,6 +541,7 @@ static void
|
|||
print_fdset(int n, abi_ulong target_fds_addr)
|
||||
{
|
||||
int i;
|
||||
int first = 1;
|
||||
|
||||
qemu_log("[");
|
||||
if( target_fds_addr ) {
|
||||
|
|
@ -555,9 +556,12 @@ print_fdset(int n, abi_ulong target_fds_addr)
|
|||
return;
|
||||
|
||||
for (i=n; i>=0; i--) {
|
||||
if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >> (i & (TARGET_ABI_BITS - 1))) & 1)
|
||||
qemu_log("%d,", i);
|
||||
if ((tswapal(target_fds[i / TARGET_ABI_BITS]) >>
|
||||
(i & (TARGET_ABI_BITS - 1))) & 1) {
|
||||
qemu_log("%s%d", get_comma(first), i);
|
||||
first = 0;
|
||||
}
|
||||
}
|
||||
unlock_user(target_fds, target_fds_addr, 0);
|
||||
}
|
||||
qemu_log("]");
|
||||
|
|
|
|||
|
|
@ -1229,7 +1229,9 @@ static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr,
|
|||
defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \
|
||||
defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \
|
||||
defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \
|
||||
defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop)
|
||||
defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \
|
||||
defined(TARGET_NR_timer_settime) || \
|
||||
(defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
|
||||
static inline abi_long target_to_host_timespec(struct timespec *host_ts,
|
||||
abi_ulong target_addr)
|
||||
{
|
||||
|
|
@ -1245,7 +1247,9 @@ static inline abi_long target_to_host_timespec(struct timespec *host_ts,
|
|||
}
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64)
|
||||
#if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \
|
||||
defined(TARGET_NR_timer_settime64) || \
|
||||
(defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD))
|
||||
static inline abi_long target_to_host_timespec64(struct timespec *host_ts,
|
||||
abi_ulong target_addr)
|
||||
{
|
||||
|
|
@ -6783,46 +6787,74 @@ static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
|
|||
|
||||
#if defined(TARGET_NR_timer_settime) || \
|
||||
(defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD))
|
||||
static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec,
|
||||
static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its,
|
||||
abi_ulong target_addr)
|
||||
{
|
||||
struct target_itimerspec *target_itspec;
|
||||
|
||||
if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) {
|
||||
if (target_to_host_timespec(&host_its->it_interval, target_addr +
|
||||
offsetof(struct target_itimerspec,
|
||||
it_interval)) ||
|
||||
target_to_host_timespec(&host_its->it_value, target_addr +
|
||||
offsetof(struct target_itimerspec,
|
||||
it_value))) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
|
||||
host_itspec->it_interval.tv_sec =
|
||||
tswapal(target_itspec->it_interval.tv_sec);
|
||||
host_itspec->it_interval.tv_nsec =
|
||||
tswapal(target_itspec->it_interval.tv_nsec);
|
||||
host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec);
|
||||
host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_timer_settime64) || \
|
||||
(defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD))
|
||||
static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its,
|
||||
abi_ulong target_addr)
|
||||
{
|
||||
if (target_to_host_timespec64(&host_its->it_interval, target_addr +
|
||||
offsetof(struct target__kernel_itimerspec,
|
||||
it_interval)) ||
|
||||
target_to_host_timespec64(&host_its->it_value, target_addr +
|
||||
offsetof(struct target__kernel_itimerspec,
|
||||
it_value))) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
|
||||
unlock_user_struct(target_itspec, target_addr, 1);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if ((defined(TARGET_NR_timerfd_gettime) || \
|
||||
defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \
|
||||
defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime)
|
||||
defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime)
|
||||
static inline abi_long host_to_target_itimerspec(abi_ulong target_addr,
|
||||
struct itimerspec *host_its)
|
||||
struct itimerspec *host_its)
|
||||
{
|
||||
struct target_itimerspec *target_itspec;
|
||||
|
||||
if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) {
|
||||
if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
|
||||
it_interval),
|
||||
&host_its->it_interval) ||
|
||||
host_to_target_timespec(target_addr + offsetof(struct target_itimerspec,
|
||||
it_value),
|
||||
&host_its->it_value)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec);
|
||||
target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec);
|
||||
|
||||
target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec);
|
||||
target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec);
|
||||
|
||||
unlock_user_struct(target_itspec, target_addr, 0);
|
||||
#if ((defined(TARGET_NR_timerfd_gettime64) || \
|
||||
defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \
|
||||
defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64)
|
||||
static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr,
|
||||
struct itimerspec *host_its)
|
||||
{
|
||||
if (host_to_target_timespec64(target_addr +
|
||||
offsetof(struct target__kernel_itimerspec,
|
||||
it_interval),
|
||||
&host_its->it_interval) ||
|
||||
host_to_target_timespec64(target_addr +
|
||||
offsetof(struct target__kernel_itimerspec,
|
||||
it_value),
|
||||
&host_its->it_value)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
|
@ -11819,6 +11851,17 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
return ret;
|
||||
}
|
||||
#endif
|
||||
#ifdef TARGET_NR_clock_getres_time64
|
||||
case TARGET_NR_clock_getres_time64:
|
||||
{
|
||||
struct timespec ts;
|
||||
ret = get_errno(clock_getres(arg1, &ts));
|
||||
if (!is_error(ret)) {
|
||||
host_to_target_timespec64(arg2, &ts);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
#ifdef TARGET_NR_clock_nanosleep
|
||||
case TARGET_NR_clock_nanosleep:
|
||||
{
|
||||
|
|
@ -11876,8 +11919,13 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
if (!arg3) {
|
||||
tsp = NULL;
|
||||
} else {
|
||||
target_to_host_timespec(ts, arg3);
|
||||
target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
|
||||
if (target_to_host_timespec(ts, arg3)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
if (target_to_host_timespec(ts + 1, arg3 +
|
||||
sizeof(struct target_timespec))) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
tsp = ts;
|
||||
}
|
||||
if (!arg2)
|
||||
|
|
@ -12413,6 +12461,32 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_NR_timer_settime64
|
||||
case TARGET_NR_timer_settime64:
|
||||
{
|
||||
target_timer_t timerid = get_timer_id(arg1);
|
||||
|
||||
if (timerid < 0) {
|
||||
ret = timerid;
|
||||
} else if (arg3 == 0) {
|
||||
ret = -TARGET_EINVAL;
|
||||
} else {
|
||||
timer_t htimer = g_posix_timers[timerid];
|
||||
struct itimerspec hspec_new = {{0},}, hspec_old = {{0},};
|
||||
|
||||
if (target_to_host_itimerspec64(&hspec_new, arg3)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
ret = get_errno(
|
||||
timer_settime(htimer, arg2, &hspec_new, &hspec_old));
|
||||
if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_NR_timer_gettime
|
||||
case TARGET_NR_timer_gettime:
|
||||
{
|
||||
|
|
@ -12436,6 +12510,29 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_NR_timer_gettime64
|
||||
case TARGET_NR_timer_gettime64:
|
||||
{
|
||||
/* args: timer_t timerid, struct itimerspec64 *curr_value */
|
||||
target_timer_t timerid = get_timer_id(arg1);
|
||||
|
||||
if (timerid < 0) {
|
||||
ret = timerid;
|
||||
} else if (!arg2) {
|
||||
ret = -TARGET_EFAULT;
|
||||
} else {
|
||||
timer_t htimer = g_posix_timers[timerid];
|
||||
struct itimerspec hspec;
|
||||
ret = get_errno(timer_gettime(htimer, &hspec));
|
||||
|
||||
if (host_to_target_itimerspec64(arg2, &hspec)) {
|
||||
ret = -TARGET_EFAULT;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef TARGET_NR_timer_getoverrun
|
||||
case TARGET_NR_timer_getoverrun:
|
||||
{
|
||||
|
|
@ -12489,6 +12586,20 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
return ret;
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD)
|
||||
case TARGET_NR_timerfd_gettime64:
|
||||
{
|
||||
struct itimerspec its_curr;
|
||||
|
||||
ret = get_errno(timerfd_gettime(arg1, &its_curr));
|
||||
|
||||
if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)
|
||||
case TARGET_NR_timerfd_settime:
|
||||
{
|
||||
|
|
@ -12512,6 +12623,29 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
|
|||
return ret;
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)
|
||||
case TARGET_NR_timerfd_settime64:
|
||||
{
|
||||
struct itimerspec its_new, its_old, *p_new;
|
||||
|
||||
if (arg3) {
|
||||
if (target_to_host_itimerspec64(&its_new, arg3)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
p_new = &its_new;
|
||||
} else {
|
||||
p_new = NULL;
|
||||
}
|
||||
|
||||
ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old));
|
||||
|
||||
if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) {
|
||||
return -TARGET_EFAULT;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
#endif
|
||||
|
||||
#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
|
||||
case TARGET_NR_ioprio_get:
|
||||
return get_errno(ioprio_get(arg1, arg2));
|
||||
|
|
|
|||
|
|
@ -259,6 +259,11 @@ struct target_itimerspec {
|
|||
struct target_timespec it_value;
|
||||
};
|
||||
|
||||
struct target__kernel_itimerspec {
|
||||
struct target__kernel_timespec it_interval;
|
||||
struct target__kernel_timespec it_value;
|
||||
};
|
||||
|
||||
struct target_timex {
|
||||
abi_uint modes; /* Mode selector */
|
||||
abi_long offset; /* Time offset */
|
||||
|
|
|
|||
Loading…
Reference in New Issue