--- IO-AIO/AIO.xs	2020/02/26 15:49:25	1.282
+++ IO-AIO/AIO.xs	2021/07/27 07:59:33	1.292
@@ -86,6 +86,7 @@
 
   #include <sys/time.h>
   #include <sys/select.h>
+  #include <sys/wait.h>
   #include <unistd.h>
   #include <utime.h>
   #include <signal.h>
@@ -228,6 +229,17 @@
 # define PAGESIZE sysconf (_SC_PAGESIZE)
 #endif
 
+/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
+#ifdef __sun
+# undef HAVE_SYSCALL
+#endif
+
+#if HAVE_SYSCALL
+#include <sys/syscall.h>
+#else
+# define syscall(nr,...) (errno = ENOSYS, -1)
+#endif
+
 /*****************************************************************************/
 
 #if !_POSIX_MAPPED_FILES
@@ -346,7 +358,7 @@
   req->flags |= EIO_FLAG_PTR1_FREE;
 
   /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
-  /* increase in 3.5kb steps */
+  /* increase in fixed steps */
   if (count < 0)
     count = 8;
 
@@ -409,11 +421,11 @@
         {
           struct fiemap_extent *e = incmap->fm_extents + count;
 
-          if (e->fe_logical + e->fe_length >= end_offset)
-            goto done;
-
           fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
 
+          if (e->fe_logical >= end_offset)
+            goto done;
+
           if (e->fe_flags & FIEMAP_EXTENT_LAST)
             goto done;
 
@@ -1193,6 +1205,10 @@
     const_iv (MAP_32BIT)
     const_iv (MAP_HUGETLB)
     const_iv (MAP_STACK)
+    const_iv (MAP_FIXED_NOREPLACE)
+    const_iv (MAP_SHARED_VALIDATE)
+    const_iv (MAP_SYNC)
+    const_iv (MAP_UNINITIALIZED)
 
     const_iv (MREMAP_MAYMOVE)
     const_iv (MREMAP_FIXED)
@@ -1331,6 +1347,60 @@
     const_iv (STATX_ATTR_ENCRYPTED)
     const_iv (STATX_ATTR_AUTOMOUNT)
 
+    const_iv (AT_FDCWD)
+    const_iv (AT_SYMLINK_NOFOLLOW)
+    const_iv (AT_EACCESS)
+    const_iv (AT_REMOVEDIR)
+    const_iv (AT_SYMLINK_FOLLOW)
+    const_iv (AT_NO_AUTOMOUNT)
+    const_iv (AT_EMPTY_PATH)
+    const_iv (AT_STATX_SYNC_TYPE)
+    const_iv (AT_STATX_AS_STAT)
+    const_iv (AT_STATX_FORCE_SYNC)
+    const_iv (AT_STATX_DONT_SYNC)
+    const_iv (AT_RECURSIVE)
+
+    const_iv (OPEN_TREE_CLONE)
+
+    const_iv (FSOPEN_CLOEXEC)
+
+    const_iv (FSPICK_CLOEXEC)
+    const_iv (FSPICK_SYMLINK_NOFOLLOW)
+    const_iv (FSPICK_NO_AUTOMOUNT)
+    const_iv (FSPICK_EMPTY_PATH)
+
+    const_iv (MOVE_MOUNT_F_SYMLINKS)
+    const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
+    const_iv (MOVE_MOUNT_F_EMPTY_PATH)
+    const_iv (MOVE_MOUNT_T_SYMLINKS)
+    const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
+    const_iv (MOVE_MOUNT_T_EMPTY_PATH)
+
+    /* waitid */
+    const_iv (P_PID)
+    const_iv (P_PIDFD)
+    const_iv (P_PGID)
+    const_iv (P_ALL)
+
+    const_iv (FSCONFIG_SET_FLAG)
+    const_iv (FSCONFIG_SET_STRING)
+    const_iv (FSCONFIG_SET_BINARY)
+    const_iv (FSCONFIG_SET_PATH)
+    const_iv (FSCONFIG_SET_PATH_EMPTY)
+    const_iv (FSCONFIG_SET_FD)
+    const_iv (FSCONFIG_CMD_CREATE)
+    const_iv (FSCONFIG_CMD_RECONFIGURE)
+
+    const_iv (MOUNT_ATTR_RDONLY)
+    const_iv (MOUNT_ATTR_NOSUID)
+    const_iv (MOUNT_ATTR_NODEV)
+    const_iv (MOUNT_ATTR_NOEXEC)
+    const_iv (MOUNT_ATTR__ATIME)
+    const_iv (MOUNT_ATTR_RELATIME)
+    const_iv (MOUNT_ATTR_NOATIME)
+    const_iv (MOUNT_ATTR_STRICTATIME)
+    const_iv (MOUNT_ATTR_NODIRATIME)
+
     /* these are libeio constants, and are independent of gendef0 */
     const_eio (SEEK_SET)
     const_eio (SEEK_CUR)
@@ -2601,6 +2671,58 @@
 }
 
 void
+pidfd_open (int pid, unsigned int flags = 0)
+	PPCODE:
+{
+        /*GENDEF0_SYSCALL(pidfd_open,434)*/
+        int fd = syscall (SYS_pidfd_open, pid, flags);
+        XPUSHs (newmortalFH (fd, O_RDWR));
+}
+
+int
+pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
+	PPCODE:
+{
+	#if HAVE_SIGINFO_T
+	int res;
+	siginfo_t si = { 0 };
+
+        if (SvOK (siginfo))
+          {
+            HV *hv;
+            SV **svp;
+
+            if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
+              croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
+
+            hv = (HV *)SvRV (siginfo);
+
+            if ((svp = hv_fetchs (hv, "code"     , 0))) si.si_code            =         SvIV (*svp);
+            if ((svp = hv_fetchs (hv, "pid"      , 0))) si.si_pid             =         SvIV (*svp);
+            if ((svp = hv_fetchs (hv, "uid"      , 0))) si.si_uid             =         SvIV (*svp);
+            if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int =         SvIV (*svp);
+            if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
+          }
+
+        /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
+        res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
+        #else
+        res = (errno = ENOSYS, -1);
+        #endif
+
+        XPUSHs (sv_2mortal (newSViv (res)));
+}
+
+void
+pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
+	PPCODE:
+{
+        /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
+        int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
+        XPUSHs (newmortalFH (fd, O_RDWR));
+}
+
+void
 eventfd (unsigned int initval = 0, int flags = 0)
 	PPCODE:
 {