ibmi: set the highest process priority to -10

On IBMi PASE, the highest process priority is -10.

PR-URL: https://github.com/libuv/libuv/pull/2642
Reviewed-By: Ben Noordhuis <inf

ibmi: set the highest process priority to -10

On IBMi PASE, the highest process priority is -10.

PR-URL: https://github.com/libuv/libuv/pull/2642
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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test: pass test when hostname is single character

PR-URL: https://github.com/libuv/libuv/pull/2741
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@b

test: pass test when hostname is single character

PR-URL: https://github.com/libuv/libuv/pull/2741
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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android: fix OOB write in uv_interface_addresses()

PR-URL: https://github.com/libuv/libuv/pull/2767
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@

android: fix OOB write in uv_interface_addresses()

PR-URL: https://github.com/libuv/libuv/pull/2767
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: David Carlier <devnexen@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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win: use RtlGenRandom from advapi32.dll directly

At least two people have reported that `LoadLibrary("advapi32.dll")`
fails in some configurations.

Libuv already links against a

win: use RtlGenRandom from advapi32.dll directly

At least two people have reported that `LoadLibrary("advapi32.dll")`
fails in some configurations.

Libuv already links against advapi32.dll so let's sidestep the issue
by linking to `RtlGenRandom()` directly instead of looking it up at
runtime.

Fixes: https://github.com/libuv/libuv/issues/2759
PR-URL: https://github.com/libuv/libuv/pull/2762
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jameson Nash <vtjnash@gmail.com>

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build: make cmake build benchmarks

PR-URL: https://github.com/libuv/libuv/pull/2771
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

build: make cmake build benchmarks

PR-URL: https://github.com/libuv/libuv/pull/2771
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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test: Test EBADF tty handling

PR-URL: https://github.com/libuv/libuv/pull/2753
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

ibmi: Fix isatty EBADF handling and refactor

In e14c56b, support was added to implement true isatty() support when
running in the IBM i PASE environment, but it did not handle EBADF

ibmi: Fix isatty EBADF handling and refactor

In e14c56b, support was added to implement true isatty() support when
running in the IBM i PASE environment, but it did not handle EBADF
properly. This commit fixes the EBADF handling, but because the
handling was a bit more complicated than previously, it was moved to a
separate isatty function to keep the mainline code simpler.

This also documents why we can't just use isatty on PASE a little more
completely.

PR-URL: https://github.com/libuv/libuv/pull/2753
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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test: simplify platform_init()

PR-URL: https://github.com/libuv/libuv/pull/2755
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

test: canonicalize argv[0] in exepath test

Commit ff29322b ("test: canonicalize test runner path") from 2014
changed the test runner to call `realpath(3)` on `argv[0]` in order
to fi

test: canonicalize argv[0] in exepath test

Commit ff29322b ("test: canonicalize test runner path") from 2014
changed the test runner to call `realpath(3)` on `argv[0]` in order
to fix the `get_currentexe` test failing with the autotools build when
the executable path contained symbolic links but that is now causing
the `spawn_reads_child_path` test to fail on z/os with the cmake build.

Fix that by only doing path canonicalization in the `get_currentexe`
test, not always.

An auxiliary fix is applied to the `process_title_threadsafe` test
because it assumed that setting the process title to a long string,
then reading it back produces in the original string.

On some platforms however the maximum size of the process title is
limited to the size of the `argv` vector.

Because the test runner used absolute paths until now, the argv vector
was bigger than it is with relative paths, big enough to let this bad
assumption go unnoticed until now.

Minor fixes are applied to tests that assumed 1024 for the maximum
path size because this commit makes visible that some of the CI matrix
systems support much longer paths.

PR-URL: https://github.com/libuv/libuv/pull/2755
Refs: https://github.com/libuv/libuv/pull/2737#issuecomment-602800431
Refs: https://github.com/libuv/libuv/pull/2754#issuecomment-604015785
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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test: remove unused extern declaration

PR-URL: https://github.com/libuv/libuv/pull/2755
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

test: add a bunch of ASSERT macros

To make the debugging of test issues easier.

The following integer macros are added:

`ASSERT_EQ(a, b)`, `ASSERT_GE(a, b)`, `ASSERT_GT(a,

test: add a bunch of ASSERT macros

To make the debugging of test issues easier.

The following integer macros are added:

`ASSERT_EQ(a, b)`, `ASSERT_GE(a, b)`, `ASSERT_GT(a, b)`,
`ASSERT_LE(a, b)`, `ASSERT_LT(a, b)` and `ASSERT_NE(a, b)`.

And its corresponding unsigned integer macros:

`ASSERT_UINT64_EQ(a, b)`, `ASSERT_UINT64_GE(a, b)`,
`ASSERT_UINT64_GT(a, b)`, `ASSERT_UINT64_LE(a, b)`,
`ASSERT_UINT64_LT(a, b)` and `ASSERT_UINT64_NE(a, b)`.

Also these macros for `NULL` and pointer checks:

`ASSERT_NULL(a)`, `ASSERT_NOT_NULL(a)`, `ASSERT_PTR_EQ(a, b)` and
`ASSERT_PTR_NE(a, b)`.

And finally these macros for strings and buffers:

`ASSERT_STR_EQ(a, b)`/`ASSERT_STR_NEQ(a, b)` that use the `strcmp()`
call.
`ASSERT_MEM_EQ(a, b)`/`ASSERT_MEM_NEQ(a, b)` and
`ASSERT_MEM_HEX_EQ(a, b)`/`ASSERT_MEM_HEX_NEQ(a, b)` that use the
`memcmp()` call. The former, prints the data in string format and the
latter in hex format.

These macros are used in the following way:
```c
ASSERT_EQ(UV_EINVAL, uv_loop_close(&loop));
```

With a sample output that would be as follows:
```
Assertion failed in test/test-loop-close.c on line 44: `UV_EINVAL == uv_loop_close(&loop)` (-22 == -16)
```

To view multiples examples if their use, the `test-ipc.c` file has been
modified to use these macros.

The `_ISOC99_SOURCE` is defined to support `inttypes.h` in `z/OS`.

PR-URL: https://github.com/libuv/libuv/pull/2739
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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build: fix z/OS cmake build

- Correct CMAKE_SYSTEM_NAME.
- Exclude pthread lib on z/OS.
- Remove deleted src/unix/pthread-barrier.c.
- Set LIBPATH for shared library test.

build: fix z/OS cmake build

- Correct CMAKE_SYSTEM_NAME.
- Exclude pthread lib on z/OS.
- Remove deleted src/unix/pthread-barrier.c.
- Set LIBPATH for shared library test.

PR-URL: https://github.com/libuv/libuv/pull/2737
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

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zos: fix return value on expired nanosleep() call

In the emulated nanosleep() function on z/OS an EAGAIN error from
BPX1CTW/BPX4CTW indicates that the timeout has expired. In that
ca

zos: fix return value on expired nanosleep() call

In the emulated nanosleep() function on z/OS an EAGAIN error from
BPX1CTW/BPX4CTW indicates that the timeout has expired. In that
case return 0 and not -1.

PR-URL: https://github.com/libuv/libuv/pull/2737
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

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zos: fix non-Release builds

z/OS doesn't support POSIX semaphores. On Release builds the code
paths that reference POSIX semaphore functions (e.g. sem_init())
are optimized away so l

zos: fix non-Release builds

z/OS doesn't support POSIX semaphores. On Release builds the code
paths that reference POSIX semaphore functions (e.g. sem_init())
are optimized away so linking succeeds but on a non-Release build
the references to the unavailable functions result in unresolved
symbol errors.

Stub the unavailable POSIX semaphore functions on z/OS as so the
code can link on non-Release builds.

PR-URL: https://github.com/libuv/libuv/pull/2737
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

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zos,test: fix spawn_empty_env for shared library build

z/OS uses LIBPATH instead of LD_LIBRARY_PATH for the search path
for shared libraries.

PR-URL: https://github.com/libuv/li

zos,test: fix spawn_empty_env for shared library build

z/OS uses LIBPATH instead of LD_LIBRARY_PATH for the search path
for shared libraries.

PR-URL: https://github.com/libuv/libuv/pull/2737
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

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udp: return recvmmsg-ed datagrams in order

When recvmmsg support was added it returned the datagrams in reverse
received order, which may impact some applications.

To restore th

udp: return recvmmsg-ed datagrams in order

When recvmmsg support was added it returned the datagrams in reverse
received order, which may impact some applications.

To restore the previous behavior, we call recv_cb one last time with
nread == 0 and addr == NULL so applications can free the buffer.

PR-URL: https://github.com/libuv/libuv/pull/2736
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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build: fix gyp build for Android API >= 28

PR-URL: https://github.com/libuv/libuv/pull/2749
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

build: ibmi support for cmake

PR-URL: https://github.com/libuv/libuv/pull/2729
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

build: ibmi support for cmake

PR-URL: https://github.com/libuv/libuv/pull/2729
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Kevin Adler <kadler@us.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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src: add uv__reallocf()

Modeled after FreeBSD's `reallocf(3)`: a version of `realloc(3)` that
frees the memory when reallocation fails, simplifying error handling in
many cases.

src: add uv__reallocf()

Modeled after FreeBSD's `reallocf(3)`: a version of `realloc(3)` that
frees the memory when reallocation fails, simplifying error handling in
many cases.

PR-URL: https://github.com/libuv/libuv/pull/2735
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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zos: add checks to ensure behavior of epoll_wait

PR-URL: https://github.com/libuv/libuv/pull/2013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.

zos: add checks to ensure behavior of epoll_wait

PR-URL: https://github.com/libuv/libuv/pull/2013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Signed-off-by: Irek Fakhrutdinov <ifakhrutdinov@rocketsoftware.com>

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zos: move mq check out of loop to save cpu cycles

PR-URL: https://github.com/libuv/libuv/pull/2013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk

zos: move mq check out of loop to save cpu cycles

PR-URL: https://github.com/libuv/libuv/pull/2013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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zos: explicitly mark message queue events

The os390 epoll_wait implementation uses poll() to detect events in
both file descriptors and the message queue used for file system
events.

zos: explicitly mark message queue events

The os390 epoll_wait implementation uses poll() to detect events in
both file descriptors and the message queue used for file system
events. The only message queue ID is always placed at the end of the
array passed to the poll() call. When the poll() call returns all FDs
and the message queue are checked for events by iterating through that
array. In order to distinguish the message queue from the FDs its ID
value is compared with the only message queue ID we have and if it
matches the message queue handler function is called.

When the message queue ID is relatively small, it may have the same
value as the value of one of the file descriptors. If this happens,
the message queue handler is called for the matching file descriptor,
and this call fails. The file descriptor ends up being unhandled and
this makes the next poll() call to return immediately. Eventually this
will happen again and again, leading to an infinite busy loop and high
CPU usage.

To prevent the incorrect interpretation of file descriptors as the
message queue, a new field has been added to the epoll event struct.
This field is checked instead of the ID value and the message queue
handler function is never called for file descriptors.

PR-URL: https://github.com/libuv/libuv/pull/2013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>

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build: add aix-common.c for AIX cmake build

PR-URL: https://github.com/libuv/libuv/pull/2731
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.c

build: add aix-common.c for AIX cmake build

PR-URL: https://github.com/libuv/libuv/pull/2731
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

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Now working on version 1.35.1

Fixes: https://github.com/libuv/libuv/issues/2709

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