--- IO-AIO/AIO.xs	2020/12/29 15:28:02	1.287
+++ IO-AIO/AIO.xs	2021/07/27 07:58:35	1.291
@@ -229,6 +229,11 @@
 # 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
@@ -1200,6 +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)
@@ -1373,6 +1382,25 @@
     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)
@@ -2655,6 +2683,7 @@
 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 };
 
@@ -2677,6 +2706,9 @@
 
         /*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)));
 }